uuid:7AA9004A-9AE7-4CFE-B251-8D450D6C3546 Do I need to manufacture my transport media under a quality system in accordance with 21 CFR Part 820? Refer to the applicable assay package insert for appropriate Specimen Lysis Tubes and specimen types available for use with each assay. 15.Do not use the Universal Viral Transport medium for premoistening or prewetting the applicator swab prior to collecting the sample or for rinsing or irrigating the sampling sites. A: No. Commercially prepared VTM is available in a plastic screw cap tube that contains buffered protein (serum, albumins, or gelatin) and antibiotics. endobj Successful and reliable isolations of viruses can be accomplished when a suitable transport medium is used. Remove catheter while rotating it gently. PrimeStore MTM novel virus transport media, https://www.sciencedirect.com/science/article/pii/S2352771420300823?via%3Dihub, https://doi.org/10.5858/arpa.2020-0175-LE, https://www.biorxiv.org/content/10.1101/2020.07.08.194613v1. viral transport media tube and cut off the applicator stick. USP 32-NF 27<51>. endstream endobj 283 0 obj <>stream (SocialLY brings you all the latest breaking news, viral trends and information from social media world, including Twitter, Instagram and Youtube. The site is secure. UTM-RT. Glass Sterile Saline Tube Inside U50. 4OO004, 4OO009, BioSci Disposable Virus Sampling Tube, SNT Biotech Disposable Virus Sampling Tube, Zhejiang Sorfa Life Sciences Research Co Ltd, Citoswab Collection and Transport Kit, P/N 2118-0419, Sample Preservation Solutions (LS-C-P-018). Our Universal transport medium is CE marked transport system suitable for collection, transport, maintenance and long-term storage of clinical specimen containing wide range of pathological beings; including but not limited to COVID-19. No. A: This table shows product codes for different types of transport medium products. FDA's guidance further explains that the sterility of transport media should be appropriately verified and/or validated prior to distribution, and this should include process sterilization validation and validation that the device remains sterile in its packaging when maintained in accordance with the labeled storage conditions and for the duration of the claimed shelf life. Key enhancements include the addition of a third gene target for SARS-CoV-2 (RdRP now included in addition to E and N2), to be more robust against mutations. It is specifically designed to overcome the standard virus transport medium (VTM) and the universal transport medium (UTM) (these will not inactivate microorganisms, but also May be able to suppress the shortcomings of molecular testing). A: As described in section IV.C of the FDA's COVID-19 Transport Media Policy, the FDA does not intend to object to the distribution and use of sterile PBS/saline transport media by commercial manufacturers, without compliance with the Unique Device Identification (UDI) requirements, where the manufacturer gives notification of validation to FDA. However, modern molecular tests do not require viable virus, but just intact microbial nucleic acids. 2 mL Fill in 15 mL. This page provides answers to frequently asked questions relating to the development and use of transport media during the COVID-19 public health emergency. The fact that it also enables laboratories to test for both COVID-19 and influenza from a single sample will also be greatly beneficial as the Flu season approaches. FlexTrans may also be used in rapid detection systems such as enzyme-linked immunosorbent assay (ELISA) and direct fluorescent testing. It is a semisolid media recommended for use in qualitative procedures for the transport of clinical swab specimens to the laboratory. The unique media . Adenovirus, coronavirus, hantavirus, CMV, HSV, Nasopharyngeal aspirates (NPA) are specimens of choice from children, NPA or. Features. As discussed in section IV.D of the COVID-19 Transport Media Policy, FDA does not expect laboratories to notify FDA if they plan to develop and use a transport media within the same corporate organization and common ownership by the same parent corporation. 2.Principles The collection tube contains virus lysis and virus nucleic acid. White Cap ESwab with Liquid Amies (Aerobes, Anaerobes & Fastidious Bacteria, Group A Strep) Yellow Cap Tube with ACD Solution A ZIP CODE: 436032 It would have a long shelf life (either in a frozen or non-frozen state). These cookies can be disabled in the browser settings. hTA0tf!B8Cl/1M6# QxIQB]6wJD[Q.+V' |H(gCzg'o5b%a}qv:@2~zN#5[ 0 51 0 obj 3710-000, VACUETTE Virus Stabilization Tube, Item Number 456164, 456163, AMPICOLLECT Saline, NP Swab Kit, Catalog no. COVID-19 has led to a significant increase in global demand for PrimeStore MTM, which is the only FDA Class II cleared device for microbial nucleic acid storage and stabilization (RNA and DNA) available for the safe transportation of samples which may contain viruses. Tilt patient's head back 70 degrees. )786h+AY8a+EwlI$vqgDgZ(fHKcY-' Af8"J@G&"%0wHssa~#osx yAHRD[ky byClt@b!C41F;HEW3=/lZ_~wu]L^NjH?WZ_Ue=^,'(E5g%F>oyI}>N+DrAC} 7F&$ fuzX!Zok>o/bY[A As discussed in the guidance, these policies are intended to remain in effect only for the duration of the public health emergency related to COVID-19 declared by the Secretary of Health and Human Services (HHS) on January 31, 2020, effective January 27, 2020, including any renewals made by the HHS Secretary in accordance with section 319(a)(2) of the Public Health Service Act (PHS Act) (42 U.S.C. Universal Viral Transport System. The full name of UTM is universal transport media, which is literally translated as universal transport media. The transport medium comes in a plastic, screw cap tube and maintains organism viability for 48 hours at room or refrigerated temperature. UTM (3 mL) with mattress swab set (set contains one sterile wrapped regular size plastic shaft polyester swab and one Minitip plastic and stainless steel polyester applicator swab. UTM Universal Transport Medium 's unique media formulation includes antibiotics to inhibit bacterial and fungal growth, without affecting viruses. The BD universal viral transport (UVT) system is designed to transport viruses, chlamydiae, mycoplasmas and ureaplasmas at room temperature. Biological buffer FDA recommends that laboratories seeking to develop and use their own VTM refer to CDC's SOP: Preparation of Viral Transport Media. A: No, the policies outlined in the COVID-19 Transport Media Policy only apply to certain transport media devices that can be used to transport certain clinical specimens that are tested by molecular or antigen diagnostic assays for use during availability concerns resulting from the COVID-19 public health emergency. Is there any difference between these types of preservation solutions? These containers can be stored at room temperature for Home General Contact Us <>stream but at the same time it retains the viral nucleic acid, which can be used for molecular diagnosis, sequencing and Nucleic acid amplification testing. 12 0 obj As well as reducing the risks of handling live pathogenic samples, this also cuts costs by eliminating cold chain requirement and, as mentioned above, the need for Category 3 facilities, as testing can take place outside of containment. endobj Ledden, David (SHS POC ST) Viral transport media are used for the collection and transport of specimens containing viruses. 48 0 obj 5 0 obj The universal transport media segment accounted for 34 . In order to maximize the amount of virus in the specimen, the sample collection should be done early in the patients illness. Viral Transport Media (VTM) is used to transport the following specimens.Body SitesPotential VirusesSpecimen CollectionEyeAdenovirus, enterovirus, coxsackievirus A, cytomegalovirus (CMV), herpes simplex virus (HSV), varicella-zoster virus(VZV)Collect conjunctival swab on Dacron or rayon swab moistened with saline and place in VTM; aqueous and vitreous fluid placed in a sterile container without VTM.FecesAdenovirus, astrovirus, CMV, norovirus, rotavirusFecal specimens (preferred) in a leak-proof container; fecal swabs in VTMGenitalAdenovirus, CMV, HSV, papillomavirus, varicella-zoster virus(VZV)Collect on swabs and transport in VTMRespiratoryAdenovirus, coronavirus, hantavirus, CMV, HSV, influenza virus, parainfluenza virus, metapneumovirus, measles virus, rhinovirus, RSV, VZVNasopharyngeal aspirates (NPA) are specimens of choice from children, NPA or nasopharyngeal swabs collected from adults; bronchoalveolar lavage for the diagnosis of lower respiratory tract infections. Mix by inverting the bottle. Standard UTM and VTM media were designed for transporting intact viable microbial samples for culture, this means that there is still a biohazard which requires a controlled environment for subsequent laboratory work. Alternative fluids that are readily available in hospital settings can function as alternatives to Viral Transport Media. There are even other names. The results were equivalent or superior to the media in the comparison. endobj Amies media, in single- or double-swab formats, for the transport of aerobes. Enabling Analytical Cookies provides information that helps us to improve the website, Tracking Cookies allow us to understand your flow and interaction through the website so we can make improve navigation, Enabling Social Cookies turns on Social Sharing buttons throughout the site. These questions and answers provide additional clarity on existing policies and do not introduce any new policies or modify any existing policies. To 1 litre of above add: benzylpenicillin (2 x 10. 124 0 obj UTM, Universal Transport Medium, is a room temperature stable viral transport medium for collection, transport, maintenance and long term freezer storage of Viruses, such as Influenza H1N1, Chlamydia, Mycoplasma and Ureaplasma specimens. There are already a number of published examples of its use in the workflow for SARS-CoV-2 RNA detection where it is used for initial virus inactivation [1]. Enzyme However, most of the viruses do require a colder temperature. No. January 5, 2022 by Sagar Aryal Amies Transport Medium is an improved transport medium, containing charcoal to prolong the viability of pathogenic organisms. Transport Tube (Small Volume Fluid, Aspirate or Tissue) UTM -Universal Transport Media (Viral, Chlamydia, Mycoplasma, Ureaplasma Culture, Bordetella pertussis) Viral Transport Medium. Shenzhen Dakewe Bioengineering Co., Ltd. BioSci Sterile Normal Saline, 0.85%, SNT Biotech Sterile Normal Saline, 0.85%, BioSci Sterile Phosphate Buffered Saline, Phosphate Buffered Saline (PBS) (600-108), PBS Response Sample Kit, Cat. ,PDQbJNU]!gkpA\=W {.x^UOO>S#0^b&x gp82K[MC;nz RAimI:X*-pQGsB8ZV*my c*UT05;vag:5rjar7SC8Ip0)*(vq [\9b p#r Taizhou Sun Trine Biotechnology Co., Ltd. Culture Media Concepts Sterile Normal Saline, 3 ML V468-3, Culture Media Concepts Sterile Phosphate Buffered Saline, 3 ML V591-3. COPYRIGHT: HUBEI NEW DE SHENG MATERIAL SCIENCE AND TECHNOLOGY CO., LTD.. ENZ-GEN244, Disposable Virus Specimen Collection Tube, Normal Saline, 0.9% normal saline in self standing tube, Product code TL1158, Normal Saline, 0.85% normal saline in self standing tube, Product code TL1159, Phosphate Buffered Saline, pH 7.2, 1x, Product code TL1031, Saline 0.85% 3ml, Part Number: T-0627, T-0627Ga. Hello, thank you for visiting my blog. 3 0 obj Ocular, respiratory, and tissue swabs can be submitted in this medium. A second medium, PBS-Glycerol transport medium, which is the glycerol-based medium, provides longer-term stability of specimens where cooling is not immediately possible. Key differences between PrimeStore MTM and generic UTM/VTM media. Copan Universal Transport Medium (UTM) system is intended for the collection, transport, and preservation of clinical specimens containing Viruses, Chlamydia, Mycoplasma, and Ureaplasma. UNSPSC Code. Note: Tube appearance may differ based on available supplies, but all will be labelled as Universal or Viral Transport Media, with an expiration date. Viral transport media are available from several commercial vendors who may use the terminology VTM (Viral Transport Medium) or UTM (Universal Transport Medium). Both transport media also showed no significant difference in stabilization of the microorganisms at 4C and 22C over a 72 hour time span. BD UVT. h220U0Pw/+Q0,H/-K-0 As multiple infectious disease tests can be processed from one sample swab, this makes PrimeStore MTM ideal for the approaching flu season. A: Yes, transport media are required to comply with all requirements, including 21 CFR Part 820; however, as discussed in the COVID-19 Transport Media Policy, in order to help increase availability of commercially manufactured transport media, FDA does not intend to enforce the Quality System Requirements under 21 CFR Part 820 when commercial manufacturers of VTM or sterile PBS/saline transport media within the scope of the guidance conform to ISO 13485:2016 Medical Devices Quality Management Systems Requirements for Regulatory Purposes. It is one of the only systems that may be stored and transported at 2C to 25Call in one formulation. A: As explained in the COVID-19 Transport Media Policy, only VTM devices labeled as sterile should be used in the transport of clinical specimens to avoid introducing microbial contamination in to the specimen. TEL: 0711-37026501 8971041571 Save my name, email, and website in this browser for the next time I comment. These optimizations will allow for . 838 0 obj h0W7qmBX]q3$Ft-|O%rO^\&rI\`LMSm8yG\*T6Vph Always read the manufacturers package insert for specific instructions regarding specimen collection and transport for the type of test kit being used. Collection Kit (Catalogue #) Roche media paired with i-Clean swab (06466281190 + CY-96000) Description. endobj Transport medium 199 is widely used for the collection and transport of clinical specimens from all species. Sterilize by filtration and distribute in 1.02.0 ml volumes in screw-capped tubes. Label the bottle along with the date of production, additives, and expiration date. Here VTM and UTM usually refer to non-inactivated preservation solutions. The commercial manufacturers listed below have notified FDA that they have validated and intend to distribute VTM as set forth in Section IV.B of the FDA's COVID-19 Transport Media Policy. Thus, viral transport media are prepared with the idea of providing appropriate conditions of temperature, pH, and nutrients. Both are pre-scored for easy breakage. Which product codes are used for transport medium products? Some VTMs also have additional ions and minerals that aid in maintaining the viability of such specimens. Lactic acid (2-hydroxy propanoic acid) is a three-carbon organic acid obtained by carbohydrate fermentation due to microorganisms (Lactic acid bacteria) or chemical synthesis. Viral / Universal Transport Media and ESwabs; Sputum & Bronchoalveolar Lavage, Tracheal Aspirate; Viral / Universal Transport Media & ESwabs. For a complete list and further options please see our Cookie Policy. Universal Transport Medium Vials and Swabs. Sonic VTM. endobj In order to achieve all the above-mentioned characteristics, viral transport media usually have a protective protein component, antimicrobial agents to prevent the chances of contamination, and buffers to maintain the pH of the solution. Add 2mL of the Gentamicin/Amphotericin B mixture to the previously formed HBSS with FBS. Suppresses bacterial and fungal contamination by incorporating antibiotics in the medium. FlexTrans is noninhibitory to cell culture, making it usable not only for transport but for cell culture inoculation. Part of the reason why the three names appear is due to different usage habits in different regions and translation problems. In the absence of a . 54 0 obj While gently rotating the swab, insert The microbes DNA, and more importantly the labile RNA, is immediately stabilized and preserved at the point of sampling. Do I need to notify FDA that I am developing and distributing transport media under the policies outlined in the, Do I need to register my establishment with the FDA and list my device if I am developing and distributing transport media under the policies outlined in the, What commercial manufacturers are developing and distributing viral transport media (VTM) under the policy outlined in Section IV.B of the, What commercial manufacturers are developing and distributing PBS/saline transport media devices under the policy outlined in Section IV.C of the, CDC's SOP for the Preparation of Viral Transport Media, Centers for Disease Control and Prevention's (CDC's) Standard Operating Procedure (SOP): Preparation of Viral Transport Media, CDC's SOP: Preparation of Viral Transport Media, SOP: Preparation of Viral Transport Media, Culture Media, Non-Selective and Non-Differential, Microbial Nucleic Acid Storage and Stabilization Device, MedSchenker Smart Collection System (SCS), Disposable sampler Viral Transport Media manufactured after July 7, 2020, BioTeke Corporation Sterile Disposable Virus Sampling Swab Kits, GB Viral Transport Medium (VTM) Kit, Cat. As discussed in section IV.B.4 of the COVID-19 Transport Media Policy, FDA is interested in interacting with commercial manufacturers of alternative formulations of viral transport media that may wish to discuss alternative approaches to validation that are not identified in the policy. About FLOQSwab Flocked Collection Swabs A transport media is of three major types, viral transport media, universal transport media, and molecular transport media, with VTM being the most prominently used media at. <>/MediaBox[0 0 612 792]/Parent 2 0 R/Resources<>/Font<>/ProcSet[/PDF/Text]>>/StructParents 6/Tabs/S/Type/Page>> MTM is specifically designed to safely inactivate pathogenic samples while preserving and stably releasing DNA and RNA. The main difference between MTM and VTM is that molecular transport media, such as PrimeStore MTM, will fully deactivate viruses, bacteria, fungi and mycobacterium tuberculosis, allowing safe sample handling and transport to greatly reduce infection risk. Does transport media need to be sterile when used with COVID-19 molecular or antigen assays? For the detection of new coronavirus samples, the molecule here refers to nucleic acid RNA. It was first introduced in 2006 in preparation for a worldwide pandemic and it has already been used in testing for many infectious diseases and high consequence pathogens, including influenza, RSV, TB, HIV and coronavirus. It provides a viral transport medium and a transport for the aforementioned organisms in one system. This website uses cookies to improve your experience while you navigate through the website. A: While VTM/UTM remains the preferred transport media, FDA recommends that, in their absence, the following alternative transport media be used to collect and transport patient samples for . The remainder of the product codes listed above are within the policy's scope. Directly process samples using extraction kits and workflows. endobj Some antibiotics and chemicals used in VTMs might change the pH of the solution, which affects the viability of the organism. HOME PRODUCTS CASES COMPANY NEWS CONTACT, ADDRESS: C8-2-2, GUANGGU UNITED SCIENCE AND This immediately eliminates infection risk and also preserves nucleic acids for downstream molecular processing without need for refrigeration. An ideal viral transport medium would possess many of the following characteristics; The following is the method of preparation for locally made VTMs for the nasal and throat swabs from humans: The following is a more elaborate procedure for the preparation of a larger volume of VTMs for humans: Video: Viral Transport Media by Sarah Bush Lincoln. Huachenyang (Shenzhen) Technology Co., Ltd. iClean Viral Transport System (VTM-RT), Catalog No. Volume. endobj Privacy | Terms & Conditions | Terms of Sale |UK Modern Slavery Act. Transport media for viruses are especially important as they are more labile than other infectious agents. Johnson, F. B. Viral transport media that is suitable for influenza specimens: M4, M4-RT, M5, M5-RT, M6, UTM, BD Universal Transport Media (UVT), Puritan UniTranz media, Quest VCM (green lid), Starplex Multitrans System, Hardy Diagnostics VTM, transport media manufactured or aliquoted in the ARUP Reagent Laboratory. However, after inactivation SARS-CoV-2 material can be handled at a lower containment level, thereby opening up testing capacity in more laboratories. During this unprecedented time, COPAN has compiled a COVID-19 resource page to facilitate answers to some of the frequently asked questions being received. ** Generally, transport media consisting of certain types of viral transport media (VTM) would be regulated by these regulations, with the majority under 21 CFR 866.2390. hn0EeaNx,H!*" Commercial manufacturers of VTM should also include a statement that the device has been designed and validated consistent with CDC's SOP: Preparation of Viral Transport Media. This blog shares information and resources about pathogenic bacteria, viruses, fungi, and parasites. In the virus sampling tube, it refers to the virus transportmedia. In the virus sampling tube, it refers to the virus transport media. They also observed that, Moving to virus-inactivating VTM at collection allows risk mitigation from transportation and handling of bio-specimens for diagnosis and can potentially reduce the need for special packaging and transportation measures for SARS-CoV-2/COVID-19 test samples. [2]. Blood collection tube additive It is one of the only systems that may be stored and transported at 2C to 25Call in one formulation. COVID-19 and/or other respiratory viruses. Viral Transport Media (VTM) are suitable for collection, transport, maintenance, and long-term freeze storage of clinical specimens containing viruses, chlamydia, mycoplasma, or ureaplasma organisms. Intended Use: The collection and transport of clinical specimens containing viruses, Chlamydiae, mycoplasma or ureaplasma from the . So, samples in MTM do not have to be pre-processed in BLS-III or even BLS-II safety levels, just safe normal laboratory practices for testing are required. There is also a kind called MTM, the full name is molecular transport media, which is literally translated as molecular transport media. endobj The FDA will acknowledge receipt of this email via auto-reply. 1 0 obj Adenovirus, enterovirus, coxsackievirus A, cytomegalovirus (CMV), herpes simplex virus (HSV). GERMAN CULTURE Convenient System with a Variety of Configurations, Sample Collection, Transport & Processing, Full Lab Automation & Artificial Intelligence, Available in individual transport tubes in bulk or as patient collection kits paired with a swab. These cookies do not store any personal information. 282 0 obj <>stream I am Tankeshwar Acharya. PrimeStore MTM is proven technology. R & D TEAM, Chemiluminescent reagent Collectively, the COPAN group makes the majority of the world's flocked swab and viral transport media and is the recognized inventor of the flocked swab . 55 0 obj %PDF-1.7 % MicroTest M4RT contains gelatin, gentamicin, and amphotericin B for the transport of viruses and Chlamydiae. Universal transport media (UTM) or viral transport media (M4) Specimens should be transported on ice. Transport the specimen to the Microbiology . Furthermore, as samples are live, cold chain storage and transportation is required. These are also used to maintain the viability of other organisms like mycoplasma, chlamydiae, and ureaplasma. The COVID-19 Transport Media Policy furtherrecommends that all transport media should be validated prior to use. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Microsoft Word for Microsoft 365 Its clear that a strong testing programme is needed ready for flu season and a potential second wave of COVID-19 as thousands of people are going to start presenting with symptoms that could be flu or coronavirus. Dispense 1.02.0 ml of transport medium into sterile plastic screw-cap vials. Contact Information. VTMs also help to maximize the number of viral particles in a sample. 46 0 obj It is available in 1 mL or 3 mL vials in a flat-bottomed conical tube, regular polyester-tipped swabs, and a flexible minitip flocked swab (plastic or wire). These tubes may contain antimicrobial agents to minimize bacterial and fungal contamination, as well as glass beads that assist in releasing and dispersing the sample into the medium during laboratory vortexing. Add distilled water to this mixture to make 1 liter. What is the difference between UTM, MTM and VTM virus transport media, ADDRESS: C8-2-2, GUANGGU UNITED SCIENCE AND. . Viral Transport Media (VTM) Definition, Principle, Preparation, Application A viral transport medium (VTM) is an essential nutrient that is used to transport and sustain the viability of samples (viruses) to an laboratory for analysis and identification of the specimen. COVID-19 Specimen Transport Media & Swabs For Test Code 7305 VIRAL / UNIVERSAL TRANSPORT MEDIA & ESWABS MULTIPLE SPECIMENS SHOULD BE SUBMITTED ON INDIVIDUAL REQUISITIONS TO ENSURE TESTING OF EACH; SUBMIT SEPARATE SAMPLE FOR OTHER TESTS SUCH AS RESPIRATORY PATHOGENS. OP or NP washes/aspirates in sterile cups. The above post is embeded directly from the user's social media account and LatestLY Staff may not have modified or edited the content body. - Five common transport media (VTM, UTM, M4RT, Amies and saline) used to collect and transport nasopharyngeal (NP) swab specimens for laboratory detection of SARS-CoV-2 demonstrate comparable performance in two different rRT-PCR-based assays. [107 0 R 108 0 R 109 0 R 110 0 R 111 0 R 112 0 R 113 0 R] M&1,h,LUTM~ }GI ]=O%|F? endobj A total of 23 commercial reagents designed for virus inactivation, clinical sample transportation and nucleic acid extraction were assessed for their ability to inactivate SARS-CoV-2. The Impact of Universal Transport Media and Viral Transport Media Liquid Samples on a SARS-CoV-2 Rapid Antigen Test The constituents of an appropriate viral transport media are selected to create an isotonic solution containing proteins to protect the viral structure, antibiotics to control microbial contamination, and one or more buffers to control the pH. The COVID-19 Transport Media Policy explains that following completion of validation, notification that the commercial manufacturer intends to distribute the transport media should be. ** Generally, transport media consisting of certain types of viral transport media (VTM) would be regulated by these regulations, with the majority under 21 CFR 866.2390. endstream endobj 287 0 obj <>stream In vitro diagnostic reagent Coronavirus (COVID-19) and Medical Devices, Recalls, Market Withdrawals and Safety Alerts, Coronavirus (COVID-19) and Medical Devices, Counterfeit At-Home OTC COVID-19 Diagnostic Tests, At-Home COVID-19 Diagnostic Tests: Frequently Asked Questions, Blood Specimen Collection Tube Shortage: Frequently Asked Questions, Antibody (Serology) Testing for COVID-19: Information for Patients and Consumers, Emergency Use Authorization of COVID-19 Tests: Independent Assessment of the FDAs Response, Face Masks, Barrier Face Coverings, Surgical Masks, and Respirators for COVID-19, Medical Device Supply Chain Notifications During the COVID-19 Pandemic, Medical Device Shortages During the COVID-19 Public Health Emergency, Supplies of Medical Devices for COVID-19: Frequently Asked Questions, Medical Device Types to Help Determine Section 506J Notification Obligations, Non-contact Temperature Assessment Devices During the COVID-19 Pandemic, Adverse Event Reporting for Medical Devices Under Emergency Use Authorization (EUA) or Discussed in COVID-19-Related Guidance Documents, Contacts for Medical Devices During the COVID-19 Pandemic, FAQs on Viral Transport Media During COVID-19. VTM-M4. The infectivity of viruses decreases over time, and generally, the decay rate is a function of temperature, so that stability is enhanced by cooling.