universal transport media vs viral transport media

With millions of tubes already sold globally during and prior to the COVID-19 pandemic to hospitals and laboratories, it is evident that they trust that it provides safer and more reliable testing than generic VTM or universal transport media, saline, or RUO devices. 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. 50. She is particularly interested in studies regarding antibiotic resistance with a focus on drug discovery. The full name of UTM is universal transport media, which is literally translated as universal transport media. Swabs are transported in VTM.SkinAdenovirus, enterovirus, HHV6, HHV8, HSV, measles virus, parvovirus B19, poxvirus, rubella virus, VZVSwab or aspirate fluid in vesicle and scrape cells at the base of the lesion; place fluid in VTMTissueAdenovirus, CMV, HSV, other virusesPlace in VTM. Privacy | Terms & Conditions | Terms of Sale |UK Modern Slavery Act. The novel, patented sample collection device, PrimeStore MTM allows COVID-19 samples to be rapidly inactivated in the collection tube. uuid:7AA9004A-9AE7-4CFE-B251-8D450D6C3546 Transport of viral specimens. * Generally, transport media consisting of PBS/saline would be regulated by this regulation. UNSPSC Code. Molecular testing is now widespread due to its improved performance and turnaround times compared to traditional microbiology testing. Q: I am having trouble obtaining viral transport media/universal transport media (VTM/UTM) and a flocked nasopharyngeal swab to collect and transport patient samples.Are there alternatives that I can use? Type. This means that it is ready for safe testing immediately on arrival at a laboratory and without need for containment. 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. Learn how PrimeStore MTM, a novel viral transport media, enables safe molecular testing for multiple pathogens from one sample swab when compared to standard viral transport media. PrimeStore MTM is a FDA cleared and CE IVD marked infectious disease sample collection, storage and transport system which was . Furthermore, as samples are live, cold chain storage and transportation is required. 2.Principles The collection tube contains virus lysis and virus nucleic acid. VTMs also help to maximize the number of viral particles in a sample. We also use third-party cookies that help us analyze and understand how you use this website. Collection Kit (Catalogue #) Roche media paired with i-Clean swab (06466281190 + CY-96000) Description. As discussed in the guidance, FDA does not intend to object to the distribution and use of PBS/saline transport media by commercial manufacturers, without compliance with the Unique Device Identification (UDI) requirements, when the manufacturer gives notification of validation to FDA. Collectively these data showed that the commercial viral transport media contained nucleases or similar substances and may seriously compromise diagnostic and epidemiological investigations. 50. endobj The results were equivalent or superior to the media in the comparison. Orthopoxvirus (includes monkeypox virus) by PCR is a real-time polymerase chain reaction (PCR) test to detect the DNA of orthopoxviruses, including monkeypox. 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. Antibody antigen, COPYRIGHT: HUBEI NEW DE SHENG MATERIAL SCIENCE AND TECHNOLOGY CO., LTD., For optimum results, the time-lapse between sample collection and inoculum onto the culture medium should be reduced to the minimum. There are even other names. UTM Universal Transport Medium for Collection, Transport, and Preservation of Clinical Specimens for Viral Molecular Diagnostic Testing. The transport medium comes in a plastic, screw cap tube and maintains organism viability for 48 hours at room or refrigerated temperature. [68 0 R 69 0 R 70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R 76 0 R] endobj endobj Some growth of contaminants might be observed during the long period of transport. UTM-RT. ZIP CODE: 436032 These cookies do not store any personal information. Before sharing sensitive information, make sure you're on a federal government site. Ledden, David (SHS POC ST) No meaningful difference in viral yield from different swabs and most transport mediums for the collection and detection of SARS-CoV-2, indicating swab and medium alternatives could be used if supplies run out. endstream endobj 285 0 obj <>stream 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. Some such media include the COPAN Universal Transport Media and the Eagle Minimum Essential Medium (E-MEM). Submit the swab in Viral Transport Medium or Universal Transport Medium. Add 50mL of amphotericin B, add 50mL of gentamicin to the inactivate FBS and then filter sterilize the solution through a 0.20 to 0.45 m filter unit (150mL filter unit). Designed and optimized for molecular applications, including qPCR and next generation sequencing, PrimeStore MTM uses a unique patented technology for safely collecting samples from patients with highly infectious diseases. 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. <> These containers can be stored at room temperature for Home General Contact Us Unlike most standard sample collection systems MTM removes cold chain requirements for sample collection and transportation, ensuring RNA stability at ambient temperatures. Adenovirus, astrovirus, CMV, norovirus, rotavirus, Fecal specimens (preferred) in a leak-proof container; fecal swabs in VTM, Adenovirus, CMV, HSV, papillomavirus, varicella-zoster virus(VZV). while maintaining their viability and stability. No. <> Always read the manufacturers package insert for specific instructions regarding specimen collection and transport for the type of test kit being used. To While gently rotating the swab, insert Recommendations to include foetal bovine serum as a source of protein to enhance the stabilising properties of viral transport media are contraindicated. 53 0 obj 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. (1990). In fact, the inactivated or activated virus preservation solution does not say which is better. A: Yes, section IV.D of the COVID-19 Transport Media Policy outlines policies applicable to laboratories certified under CLIA that meet the requirements to perform high-complexity testing. GERMAN CULTURE As discussed above, to work safely with live human coronavirus SARS-CoV-2 requires the use of high-containment laboratories. Viral Transport Media. About FLOQSwab Flocked Collection Swabs Add 2mL of the Gentamicin/Amphotericin B mixture to the previously formed HBSS with FBS. Prepare the phosphate-buffer saline by adding 8 g of NaCl, 0.2 g of KCl, 1.44 g of Na2HPO4, and 0.24 g of KH2PO4. Commercially prepared VTM is available in a plastic screw cap tube that contains buffered protein (serum, albumins, or gelatin) and antibiotics. This medium can serve as a cryoprotectant for clinical viruses, including Cytomegalovirus and Varicella-zoster virus. For the collection and transport of specimens in animals, two types of VTMs can be utilized. Once a swab or biofluid is added to PrimeStore MTM the user has a snapshot in time for that inactivated microbial sample. Additionally, the BD CultureSwab MaxV (+) system is available in Amies gel medium without charcoal, in single- and double-swab formats, for the transport of aerobic and facultative anaerobic organisms5 Revision 7/07/20 TM 6 PrimeStore - MTM Beaver Inveox transport . These cookies will be stored in your browser only with your consent. endobj 2 0 obj 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. IMM'VYeRpo6uA- TECHNOLOGY CITY, EZHOU CITY, HUBEI PROVINCE Molded breakpoint on swabs shaft for safe and reliable breaking of the swab into transport tube. TCID50 and blind passage techniques were used to test for any infectious virus still recoverable from all samples treated with the inactivation reagents. DO NOT refrigerate. Note: Tube appearance may differ based on available supplies, but all will be labelled as Universal or Viral Transport Media, with an expiration date. 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. GDLS1011, Disposable Virus Collection Tube and Transportation, Preservation Media, Corning Viral Transport Media, 3mL, Product 25-501-CRS, Viral Transport Media, 3 mL, Product 25-400-CRS, Disposable Virus Sampling Kit Non-inactivation, Model: A1, A2, A3, Precision (Changzhou) Medical Instruments Co., Ltd, Disposable Virus Sampling Tube, Model: PCY-A-F3, PCY-B-F3, PCY-AB-F3, PCY-A, PCY-B, Viral Transport Medium, Product/Order Code: CDC-VTM, Saffron Naturele Products Private Limited, Changsha Renji Medical Equipment Co., Ltd, biocomma Transport and Preservation Medium, Lingen Precision Medical Products Co., Ltd, Babio Virus Transport Kit (Non-inactivated), VTM (Viral Transport Medium) Part number 0003730, Viral Transport Medium, Cat. As an asst. More information on PrimeStore MTM novel virus transport media. Biological buffer Viral Culture and for Molecular-Based Assays. Hangzhou Genesis Biodetection & Biocontrol Co., Ltd. (SocialLY brings you all the latest breaking news, viral trends and information from social media world, including Twitter, Instagram and Youtube. BD also offers a comprehensive range of transport media, including COVID-19 and SARS-CoV-2. Made with by Sagar Aryal. Single Use Samplers manufactured after 15 October, 2020, Universal Transport Medium (UTM), Cat. The universal transport media segment accounted for 34 . White Cap ESwab with Liquid Amies (Aerobes, Anaerobes & Fastidious Bacteria, Group A Strep) Yellow Cap Tube with ACD Solution A Viral transport media are prepared with the idea of sustaining the viability of the viral culture or specimens for tests like the nucleic acid amplification test (NAAT) while preventing the drying of the sample. 3. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. The objective of this study was to determine the stability of severe acute respiratory syndrome CoV 2 (SARS-CoV-2) RNA in specimen transport media under various storage . Copan Universal Transport Medium (UTM) system is intended for the collection, transport, and preservation of clinical specimens containing Viruses, Chlamydia, Mycoplasma, and Ureaplasma. Alternative fluids that are readily available in hospital settings can function as alternatives to Viral Transport Media. The most commonly used in China is VTM, that is, viral transport media or virus transport medium literally translated virus transport media, divided into two types, the inactivated type is marked as Inactivated, and the activated type is marked as activated. Testing can take place outside of containment, No. In vitro diagnostic reagent The .gov means its official.Federal government websites often end in .gov or .mil. 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. Key differences between PrimeStore MTM and generic UTM/VTM media. HOME PRODUCTS CASES COMPANY NEWS CONTACT, ADDRESS: C8-2-2, GUANGGU UNITED SCIENCE AND [56 0 R 57 0 R 58 0 R 59 0 R 60 0 R 61 0 R 62 0 R 63 0 R 64 0 R 65 0 R 66 0 R 67 0 R] Does transport media need to be sterile when used with COVID-19 molecular or antigen assays? It provides a viral transport medium and a transport for the aforementioned organisms in one system. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Necessary Cookies are required for the normal function of this website. Recently, a consortium of researchers put forward the case for biosafety in pathogen transportation and testing through the adoption of virus-inactivating VTM which kill biological pathogens whilst ensuring DNA and RNA stabilisation and preservation for molecular applications. [94 0 R 681 0 R 682 0 R 683 0 R 684 0 R 685 0 R 686 0 R 687 0 R 688 0 R 689 0 R 690 0 R 96 0 R 97 0 R 98 0 R 691 0 R 692 0 R 693 0 R 694 0 R 695 0 R 696 0 R 697 0 R 698 0 R 699 0 R 700 0 R 701 0 R 702 0 R 703 0 R 704 0 R 705 0 R 706 0 R 707 0 R 708 0 R 100 0 R 101 0 R 102 0 R 709 0 R 710 0 R 711 0 R 712 0 R 713 0 R 714 0 R 715 0 R 716 0 R 717 0 R 718 0 R 719 0 R 720 0 R 721 0 R 722 0 R 723 0 R 724 0 R 725 0 R 726 0 R 727 0 R 728 0 R 729 0 R 730 0 R 731 0 R 732 0 R 733 0 R 734 0 R 735 0 R 736 0 R 737 0 R 104 0 R 105 0 R 106 0 R] Safe molecular transport media (MTM) ready for monkeypox and COVID-19 samples. After transportation, the specimen should be inoculated in the proper medium as soon as possible. In 2021, viral transport media accounted for a revenue share of 46% in the global viral transport medium market and dominated other segments. This page provides answers to frequently asked questions relating to the development and use of transport media during the COVID-19 public health emergency. 3 0 obj Fluid samples such as tracheal wash specimens or peritoneal fluid should be submitted in sterile vials, preventing desiccation. endobj Product name Disposable Collection & Transport Kits (Inactivated) Product description 1.Specifications 10ml/tube and one collection Swab; Pkg of 1,Pkg of 10,Pkg of 20, Pkg of 50, Pkg of 100, Pkg of 200, Pkg of 300, Pkg of 500. 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. The BD universal viral transport (UVT) system is designed to transport viruses, chlamydiae, mycoplasmas and ureaplasmas at room temperature. endobj Volume. PrimeStore MTM (molecular transport media) is specifically designed to safely inactivate pathogenic samples whilst preserving and stabilizing the released DNA and RNA. These are also used to maintain the viability of other organisms like mycoplasma, chlamydiae, and ureaplasma. Puritan's vials contain a universal transport liquid that suspends the cells until they are processed at the lab. endobj hY[o+. 54 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. MTM refers to the inactivated virus preservation solution, which is suitable for the collection, storage and transportation of infectious disease samples. 48 0 obj 247d(a)(2)). Copan UTM: Universal Transport Media for Viruses, Chlamydia, Mycoplasma and Ureaplasma UTM is a FDA cleared collection and transport system suitable for collection, transport, maintenance and long-term freeze storage of clinical specimens containing viruses, including COVID-19, chlamydia, mycoplasma or ureaplasma organisms. A: As stated in the guidance, FDA believes that VTM distributed by commercial manufacturers under this policy should be designed and validated consistent with the Centers for Disease Control and Prevention's (CDC's) Standard Operating Procedure (SOP): Preparation of Viral Transport Media. USP 32-NF 27<51>. PrimeStore MTM is also being used during the coronavirus pandemic by a number of businesses to provide COVID-19 testing services for their staff. 55 0 obj It maintains organism viability for 48 hours at room or refrigerated temperature. This information will help the Agency and Department monitor the landscape as we work to help ensure adequate testing supplies are available across the country during the COVID-19 public health emergency. endobj Collect bronchoalveolar lavage and specimens from normally sterile sites in a sterile, leak-proof container (37777). 52 0 obj The transport medium comes in a plastic, screw cap tube and maintains organism viability for 48 hours at room or refrigerated temperature. However, some other media can be prepared locally while maintaining suitable conditions and composition. It is a semisolid media recommended for use in qualitative procedures for the transport of clinical swab specimens to the laboratory. However, modern molecular tests do not require viable virus, but just intact microbial nucleic acids. Inactivate 500mL of fetal bovine serum (FBS) by heating for 30 minutes in a water bath at 56.0C +/- 1.0C. Some viruses might be more labile than others, and the VTMs might be as effective. COPYRIGHT: HUBEI NEW DE SHENG MATERIAL SCIENCE AND TECHNOLOGY CO., LTD.. 12 0 obj It is a source of nutritional components, antioxidants, and essential oils, which benefit our health and promote the function of Microbeonline.com is an online guidebook on Microbiology, precisely speaking, Medical Microbiology. Here youll find easy access to the evolving regulatory guidelines published by the CDC and FDA, COPANs distributor part numbers, and other resources about critical products that can be used for collecting, handling, and transporting specimens suspected of COVID-19. Test Options Available. <> 1 0 obj Another key benefit of MTM is that a sample can be safely stored at ambient temperature for up to seven days(Figure 1) or 28 days at 2 to 8C and re-used several times. Differences between throat and NP swabs: Throat swabs usually have a straight shaft of uniform thickness with a thicker head than an NP swab. UTM, VTM, and Saline are on label. Because calcium alginate swabs are toxic for many enveloped viruses and may interfere with fluorescent antibody tests, they Some enveloped viruses, such as herpes simplex viruses (HSV), are surprisingly stable in the non-frozen state when placed in a suitable holding environment. conventional transport media than in anaerobic and selective transport media. On this page, this guidance is referred to as the COVID-19 Transport Media Policy. Figure: Viral Transport Media (VTM). Enzyme Universal Viral Transport System. Amies media, in single- or double-swab formats, for the transport of aerobes. ** 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. 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. A: As described in section IV.B of the FDA's COVID-19 Transport Media Policy, the FDA does not intend to object to the distribution and use of viral transport media (VTM) by commercial manufacturers, without a 510(k) or compliance with the Unique Device Identification (UDI) requirements, where the VTM device is validated, notification of validation is provided to FDA, and certain labeling information is included with the VTM device. Universal Transport Medium Tubes. <>stream endobj 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]. No. Anterior nasal swab in saline. 51 0 obj 43 0 obj HONOR These do not inactivate microbes and can also inhibit molecular testing. This is because samples collected and stored in MTM can be tested for both COVID-19 and influenza from a single swab sample that has been inactivated and stabilised. Microbial Culture Media- Definition, Types, Examples, Uses, Types of Centrifuge and Centrifugation (definition, principle, uses), Amazing 27 Things Under The Microscope With Diagrams, 22 Types of Spectroscopy with Definition, Principle, Steps, Uses, Bacteria- Definition, Structure, Shapes, Sizes, Classification, Composition of Viral Transport Media (VTM), Preparation of Viral Transport Media (VTM), Preparation of PBS-Glycerol transport medium, Limitations of Viral Transport Media (VTM), https://www.who.int/ihr/publications/Annex8.pdf?ua=1, https://www.cdc.gov/coronavirus/2019-ncov/downloads/Viral-Transport-Medium.pdf, OF Test- Oxidation/Oxidative-Fermentation/Fermentative Test, Novobiocin Susceptibility Test- Principle, Procedure, Results, Nitrate Reduction Test- Principle, Procedure, Types, Results, Uses, Nosocomial Infections (hospital-acquired infections), Hot Air Oven- Principle, Parts, Types, Uses, Examples. In the virus sampling tube, it refers to the virus transport media. ,PDQbJNU]!gkpA\=W {.x^UOO>S#0^b&x gp82K[MC;nz RAimI:X*-pQGsB8ZV*my c*UT05;vag:5rjar7SC8Ip0)*(vq [\9b Laboratories seeking to distribute transport media to entities that are not within the same corporate organization and that share common ownership by the same parent corporation should refer to section IV.B or section IV.C of the COVID-19 Transport Media Policy. The guanidine thiocyanate contained in Primestore MTM destroys a viruss protective viral coat (the capsid) rendering it incapable of reinfection, whilst maintaining the viral nucleic acids for molecular diagnostics, sequencing and biobanking. This tube comes in a plastic screw cap and is suitable for the transport and preservation of a variety of medical specimens. 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. 303CHL. These optimizations will allow for . TheCOVID-19 Transport Media Policy explains that following completion of validation, notification that the commercial manufacturer intends to distribute the transport media should be provided to FDA by e-mail toCDRH-EUA-Templates@fda.hhs.gov that the transport medium has been validated. 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. 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. 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. Results showed that of the specimen transport reagents tested, PrimeStore MTM was one of just two such reagents from which no residual virus was detectable by either TCID50 or by the passaging of treated purified sample. It facilitates the collection and transport of samples in areas where the facilities of refrigeration are not available. MedSchenker Smart Transport Medium (STM) System is intended for the collection and transport of clinical specimens containing viruses, chlamydiae, mycoplasma or ureaplasma from the collection site to the testing laboratory. Transport media for viruses are especially important as they are more labile than other infectious agents. Huachenyang (Shenzhen) Technology Co., Ltd. iClean Viral Transport System (VTM-RT), Catalog No. Save my name, email, and website in this browser for the next time I comment. The global coronavirus (CoV) disease 2019 (COVID-19) pandemic has resulted in a worldwide shortage of viral transport media and raised questions about specimen stability. Label the containers with the necessary information. Add 10mL of the FBS to 500mL of Hanks Balanced Salt Solution (HBSS). Product Name: Swab, UTM (Universal Transport Medium), and VCM (Viruses-Chlamydiae-Mycoplasmas Medium) Sets Catalog #: Refer to Section 16 for a list of applicable catalog numbers for items covered by this SDS. throat swabs), sputum, saliva, and more can be stored in the reagent. Q(wz3[09JW0:O1Ahf6M@mj6Mw&/+U]!m.q^3!#dCk+}#;xXj?090'G9F7FZ}^8vRau[Z`i}$mc&bpvYF 5j`JnmghTz^90. }R/0d.1`f'G[Ha:]dvk/pi?OL1c3RuFnHQ3~Iik$fNk\_CG{"Wqg?XD=O3eP2aevU~..Mf09\`Z'Wyq?l+)T*&,6=^?,k Q+2, The Impact of Universal Transport Media and Viral Transport Media Liquid Samples on a SARS-CoV-2 Rapid Antigen Test. Of the seven media, Richards viral transport, SPG, Virocult, and HH medium, followed closely by tryptose phosphate broth, best preserved HSV infectivity at both 4 degrees C and 22 degrees C. Analysis of decay rates of RSV revealed comparatively rapid decay in SPG and Virocult. UTM paired with COPAN FLOQSwabs reduce costs and increase patient comfort when compared to nasal aspirates and washes.

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universal transport media vs viral transport media