Have the test materials and a clock ready. Find a clean and well-lit work surface. It's simple. Hand-held Up-converting PhosphorImmunoassay analyzerUPT-3A-1800-mini, Hand-held antigen detection equipment will open the era of rapid detection of COVID-19 tests. Die Extraktionslsung hat die Chargennummer W20211102B. Testing should be done regardless of vaccination status. Visitcoronavirus.dc.gov/overthecounterto report your self-testresult. For prescription use only. Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. Found a lower price? The handheld antigen detection equipment has the characteristics of non-invasive sampling, rapid detection and simple operation. Using the Instacart app or website, select a store of your choice near you that offers pickup, select Pickup, and then select your preferred pickup location from which you'd like to place your order. 5) Using a disposable dropper provided, take an aliquot from the extracted and mixed sample in the tube. 1768 0 obj <>/Filter/FlateDecode/ID[<3CBB7F561E4E02418FA7589D70E034D9>]/Index[1754 26]/Info 1753 0 R/Length 86/Prev 530988/Root 1755 0 R/Size 1780/Type/XRef/W[1 3 1]>>stream You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. Click Customise Cookies to decline these cookies, make more detailed choices, or learn more. Beijing Lepu Medical Technology Co., Ltd. 26. FDA expanded the indications for serial antigen tests - they can be used for diagnostic purposes in people suspected of having COVID-19 based on symptoms or for screening testing in asymptomatic people or those who are a close contact. Once open, do not place exposed swabs on any surfaces before or after you collect your sample. It can undoubtedly play an important role in more epidemic prevention and control fields, such as medical institutions, border ports, community screening, schools, shopping malls, airports, stations, hotels, conferences, sports events and other places are used for screening of patients with novelcoronavirus. This kit is used for in vitro qualitative determination of novel coronavirus antigen in human nasal swabs or throat swabs. 80 Stck Hotgen Antigen Schnelltest SARS-CoV-2 Antigen Test Covid-19, Nasaltest, Laientest, Selbsttest, Antigentest, Einzeltest - BfArM AT1236/21 Device ID . Hotgen Coronavirus 2019-nCoV Antigen Test Kit each Buy now at Instacart 100% satisfaction guarantee Place your order with peace of mind. The federal government scrapped pre-arrival PCR test . The specially selected Canine Parvovirus antibodies and Canine Coronavirus antibodies are used in the test band as both capture and detector materials. Two versions of these instructions are available below in 12 languages. The presence of only one band C within the result window on both of the CPV Ag and CCV Ag test areas indicates a negative result. Depending on your delivery address, VAT may vary at Checkout. The detection sensitivity of colloidal gold and Up-converting Phosphor luminescence reached 2.5102pfu/ml and 2102pfu/ml, respectively. In the face of insufficient testing in many regions around the world, the operation of antigen testing is very simple and can be easily mastered by non-professional medical technicians. <> This test is intended for personal use by people aged 18 and over who are suspected to be infected with COVID-19. endobj Do not open the test packaging until you are ready to use it. VAT: Read this guide along with the instructions that are provided with the test. Please refer to Points to Note for Persons who Tested Positive. The Anigen Rapid Canine Parvovirus-Coronavirus Ag Test Kit has the letters T and C as the Test line and Control line on the surface of the device. A step-by-step guide to doing an at-home COVID-19 rapid antigen test Wash your hands thoroughly with warm water and soap for at least 30 seconds. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. For Emergency Use Authorization (EUA) only. For more information on availability, reliability, and more, please visit our Corona Self Testing FAQ page (English language cannot be guaranteed). 25 pieces per box German instructions CE marking Testing can be carried out individually in 4 different ways Nasal lollipops nose throat mouth throat EU RAT List ID 2109 buffer solution pre-filled You can track your order's progress and communicate with your shopper every step of the way using the Instacart app or website. If you experience any of the following issues, you're eligible for a refund or credit: damaged/missing items, poor item replacements, late arrival or unprofessional service. You may still have COVID-19 and you may still be contagious. Contact your local health authority to report a positive result and to book a lab test that will confirm the result as required. Testing should happen as soon as the individual knows of close contact exposure, and if negative, should test again between 5-7 days after the last known exposure, immediately or if symptoms develop. If the purple color band is not visible within the result window after performing the test, the result is considered invalid. eb?04P{k(;,= OxW70;og_?ts8L6Nd7;\=\\M v,xid8oDfX% IzO_j[J !tked3mfTQnX2d{:9FU[#3!^D:mJwjNeN. : An RAT is designed to directly detect SARS-CoV-2 virus proteins (antigens) in respiratory specimens. STAGE 1 For assessment by the technical department: 4: SARS-CoV-2 and Influenza A+B Antigen Combo Rapid Test (Nasal Swab) (Self-testing kit) Hangzhou AllTest Biotech Co., Ltd. J(%JDv( L1$8 F0-LF2UbfJ8r6L)O-)d?g(`vYr8-gd8o`&e swX Pwm)iUv\xb;,0f+fY6. Also empfehlenswert, da jetzt die meisten Testcenter geschlossen haben. Currently, there are two ways to test for the virus that causes COVID-19: molecular testing (PCR) and antigen testing. Take a photo of the result if you are tested positive. This differs from molecular tests, often called polymerase chain reaction (PCR) tests, which work by detecting genetic material from SARS-CoV-2. test again in 48 hours if you have symptoms on the first day of testing, test 2 more times at least 48 hours apart if you do not have symptoms on the first day of testing. Place them all on a clean surface. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. : | Find, read and cite all the research you . It is reported that the equipment and supporting antigen detection reagents have obtained EU CE certification. If youre not showing symptoms of COVID-19 and you participated in high-risk activities where you could not physically distance like traveling, attending large social or mass gatherings, or being in a crowded indoor setting). Keep a distance of at least 2 metres from other people. Contact the manufacturer of the self-test to report the invalid result. We comply with the HONcode standard for trustworthy health information. You can purchase RAT kits for voluntary testing. Qualitt Preisleistung ist gut, nur die Stbchen fr die Nase knnten etwas dnner sein. Available for Android and iOS devices. The up-conversion luminescence products can be adapted to handheld and desktop POCT detection instruments and can be applied to different scenarios. For metallic surfaces, use 70% alcohol to disinfect. Possible application areas of antigen detection. If youre not showing symptoms of COVID-19 and are fully vaccinated and have close contact to someone with known or suspected COVID-19. 1754 0 obj <> endobj For other items, please see. Insert the swab and soak in the liquid for at least 15 seconds, stir the swab several times, and squeeze the tube walls onto the swab tip 3 times. Hotgen Laien-Antigen-Schnelltest per Nasenabstrich. Recursos sobre el COVID-19 en su idioma COVID-19 : ressources en franais -19 (COVID-19) COVID-19) Thng tin h tr C0VID19 trn ngn ng ca qu v (COVID019) . COVID-19 antigen tests are designed for the rapid diagnoses of active infection primarily by detecting the nucleocapsid protein antigen of the SARS-CoV-2 virus (the virus that causes COVID-19) from nasal swabs or similar clinical specimens. Antigen Testing for SARS-CoV-2 General Guidance Antigen tests are commonly used in the diagnosis of other respiratory pathogens, including influenza viruses and respiratory syncytial virus (RSV). To reduce the risk of an invalid result, be sure to follow the instructions provided with your test. A negative result means SARS-CoV-2 was not detected in your sample. The Canine Parvovirus-Coronavirus Antigen Test Kit is a chromatographic immunoassay for the qualitative detection of Canine Parvovirus antigen and Coronavirus antigen in canine feces. Von bisher 30 verwendeten Tests waren 6 nicht zu gebrauchen, da keine Flssigkeit in den Rhrchen war. The UPT-3A-1800-mini Up-converting Phosphor Immunoassay analyzer is used as a hand-held antigen detection equipment, and the detection results can be obtained within 15 minutes. Entdecke 30 Stck Corona Schnelltest Hotgen Antigen COVID-19 Laientest Selbsttest Nasal in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! KzP%geF(g!L42D0*TSj1:1K#oOEhF$JQ*8S{2*/Gu&t-.l"~||dJX"[*@%E : STAGE 1 For assessment by the technical department: 5: COVID-19 Ag Home Test . It is intended for qualitative detection of antigens in specimens from individuals with suspected infections. For "early identification, early isolation and early treatment, the Government is procuring Rapid Antigen Test (RAT) kits in bulk for various groups of people for testing. The assay diluent should be added exactly, slowly, drop by drop. vx-^ OWY|v8(| h,|1 Nb1hO=]`$9`\li,7J. %PDF-1.6 % INSTRUCTIONS FOR USE . Listed Rapid Antigen Tests for COVID-19 under the Medical Device Administrative Control System, List of approved medical devices for COVID-19 preventive and control uses, Common list of COVID-19 rapid antigen tests, List of SARS-CoV-2 antigen diagnostic tests with Emergency Use Authorization, Points to Note for Persons who Tested Positive. 738 0 obj <>/Filter/FlateDecode/ID[<4A9D31C04D6A0B418F5B6F70B4F63CF9><645E51B33539F047860A342FE8C63B99>]/Index[682 76]/Info 681 0 R/Length 219/Prev 462539/Root 683 0 R/Size 758/Type/XRef/W[1 3 1]>>stream However, RAT has its limitations in terms of sensitivity. Antigen detection is faster, more efficient, more economical than nucleic acid detection, and it is more convenient to transport. Do not store the test kit in direct sunlight. The test kit is stable through the expiration date marked on the package label. If you are showing symptoms of COVID-19, particularly within 7 days of showing symptoms. Las mejores ofertas para Prueba rpida Hotgen Corona Covid-19 autoprueba antgeno prueba laica nasal individual estn en eBay Compara precios y caractersticas de productos nuevos y usados Muchos artculos con envo gratis! Please refer to the user guide of each brand. If the surrounding environment is contaminated, disinfect with 1-in-49 diluted bleach. hbbd```b``^"S@$d:&d } &A$[4 9) Interpret test results at 5-10 minutes. Use Next and Previous buttons to navigate. Get a new COVID-19 test, as self-tests can only be used once. Follow the instructions provided with the test to determine if your results are positive, negative or invalid. Der Test ist gelistet, das habe ich vorab via RKI recherchiert, also alles bestens. When the result of an antigen test does not fit the clinical circumstances of the patient, a PCR test is recommended for confirmation of the antigen test result. Clear up non-essential items around you. Do you want to recycle your electrical and electronic equipment for free? The presence of two color bands (T and C) within the result window on the CPV Ag test area, and the presence of only one band (C) within the result window on the CCV Ag test area, no matter which band appears first, indicates a positive result of Canine Parvovirus. As such, it should be used in conjunction with the results of clinical interpretation and other laboratory tests. Steps to take: Get a new COVID-19 test, as self-tests can only be used once. Check the instructions that came with the test for details on disposal, such as removing the batteries. Eine Fehlerquote von 20 % ist dann doch zu viel. Reviewed in Germany on 8 February 2023. Different brands of tests are available in the market. endobj <> It can undoubtedly play an important role in more epidemic prevention and control fields, such as medical institutions, border ports, community screening, schools, shopping malls, airports, stations, hotels, conferences, sports events and other places are used for screening of patients with novel, . Testing can be done regardless of vaccination status. x\oF7a~sI@z}`d&bKH']J"M.?L*E[Kp3]&zu(}zC~~.$E\K&]^7og86DDYE'drK~l\]g1Ir}{~a3K%F+*crt?j]C;-.x~F +r}Arw0K*DCv+ KD:xqvtf%xqTO1CYD4A\vmQlv[YjKm,geF[C~xRiV@yT( 0x_Vl+,DVjBHw& , Country of origin If youre not showing symptoms of COVID-19 and are not a close contact to a known COVID-19 case. FDA's authorization of serial antigen testing products greatly expands the indications for testing as well as public access to testing products.*. Hier ist das Mindesthaltbarkeitsdatum bis zum 02.05.2023 angegeben. endobj 9) The components in this kit have been quality control tested as a standard batch unit. It is recommended that the specimen be retested. Continue to follow your local public health guidelines. 682 0 obj <> endobj Nucleic acid detection requires professional technicians, and antibody detection is a late diagnosis. endstream endobj 1755 0 obj <. coronavirusdetection in hospitals. The presentation of test results vary between brands. If the surrounding environment is contaminated, disinfect with 1-in-49 diluted bleach. This band is the control band C. The clinical performance evaluation shows that it has excellent detection sensitivity. Providers conducting antigen tests on either symptomatic or asymptomatic populations must be aware of the potential for false-negative or false-positive results. A purple test line will be visible in the result window if there is enough Canine Parvovirus antigen and/or Canine Coronavirus antigen in the specimen. DVMetrics assumes no liability, and each user assumes full risk, responsibility, and liability, related to its use of the DVMetrics service and data. 4) Do not open or remove test kits from their individually sealed pouches until immediately before their use. The test is easy to perform. 25. Note: Please note that a negative Covid quick test for home does not fully rule an infection, even if the Covid test is carried out on a person without symptoms. infection at home (subject to local regulations). SARS-CoV-2 Antigen Rapid Test Kit. stream Subscribe to Drugs.com newsletters for the latest medication news, new drug approvals, alerts and updates. <> (EUR), Shipping cost: Almost three years into the COVID-19 pandemic, testing for the coronavirus is becoming less common, and less relevant, in Canada, experts say. Each contains three main items: a collection swab, a test strip and a small vial of liquid. COVID-19 antigen tests are designed for the rapid diagnoses of active infection primarily by detecting the nucleocapsid protein antigen of the SARS-CoV-2 virus (the virus that causes COVID-19) from nasal swabs or similar clinical specimens. This guide tells you how to: prepare the test take a. On September 23, 2021, the FDA revised the EUAs of certain molecular, antigen, and serology tests to establish additional Conditions of Authorization in response to the continued emergence of new variants of SARS-CoV-2. %PDF-1.5 Manufacturer: Beijing Hotgen Biotech Co., Ltd Demo video User guide. W5iC2!q 1 Jv The kit can be stored at room temperature or refrigerated (2-30C). When choosing RAT kits from the market, you may make reference to the following lists: Or check out Consumer Council's dedicated webpage: You can do the test yourself and it is easy to perform. Man kann es ja privat nicht kontrollieren. % endstream endobj startxref Pay close attention to the instructions about eating and drinking before you do the test. Call your local public health office if you are having trouble doing a self-test or have questions about self-testing. Antigen self-tests, often referred to as rapid antigen tests, are used to detect proteins from SARS-CoV-2, the virus that causes COVID-19. Self-testing allows people to test themselves or their dependants for SARS-CoV-2. Preparation: Read the entire manual. Here's a breakdown of Instacart delivery cost: When an item you want is out-of-stock at the store, your shopper will follow your replacement preferences. 1 0 obj However, there may be risks associated with the COVID-19 rapid test solutions, such as misusing, accidentally ingesting or spilling on the skin. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. , A$X%XVD,"o~amyNMc \ qqfMz6!6f_B`*[!d #' \$ Novel Coronavirus 2019-nCoV AntigenTest (Up-converting Phosphor Immunochromatographic Technology), Media ContactCompany Name: HotgenContact Person: YiwaEmail: Send EmailPhone: 010-50973600Country: ChinaWebsite: www.hotgen.com.cn. endstream endobj startxref As a handheld antigen detection device, the device is small and exquisite, providing a simple, efficient and fast new method for rapid detection of the COVID-19 on-site. If another color band appears in the right section of the result window, this band is the test band T. 4 0 obj Please remain vigilant and take all anti-epidemic measures. DO NOT FREEZE. In the face of insufficient testing in many regions around the world, the operation of antigen testing is very simple and can be easily mastered by non-professional medical technicians. Hergestellt wurde die Charge W2022011000 am 19.01.2022. Download the alternative format Revision Concerning Viral Mutations. Leider scheint es hier aber ein Problem bei der Qualittskontrolle gegeben zu haben. The COVID-19 antigen detection kit was successfully developed. %PDF-1.6 % Most authorized at-home OTC COVID-19 tests are antigen tests, and there are also a small number of authorized at-home OTC COVID-19 molecular tests. , Manufacturer Record the result Take a photo of the result if you are tested positive. Use a test from a box which is still in date. The antigen detection products developed by the laboratory include antigen detection products of colloidal gold method and up-conversion luminescence method. Entdecke 20x Hotgen Schnelltest Antigen Nasal Selbsttest 1er Corona Laientest Omikron in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! The SARS-CoV-2 Antigen Rapid Tests is for self-testing use. When disposing of the test, place the components into a disposable bag to prevent someone else from coming into contact with the used device. If something isn't right, you've got options. Covid rapid test with nasal sample: Easy to use by taking a swab in the front of the nose. Results in 15 minutes: Follow the enclosed instruction manual and get a result of the Antigen quick test within 15 minutes. Antigen-Schnelltest (SARS-CoV-2) 50 Stck Hotgen Antigen Schnelltest SARS-CoV-2 Antigen Test Covid-19, Nasaltest, Laientest, Selbsttest, Antigentest, Einzeltest - BfArM AT1236/21 Device ID 2807 CE0123 Preis ab 10,99 (02.03.2023). Sorry, you need to enable JavaScript to visit this website. Read more about our external linking. Das Mindesthaltbarkeitsdatum ist mit 19.01.2023 angegeben. Hotgen Coronavirus (2019-nCoV) Covid 19 antigen corona rapid test, pack of 100. If any of the repeat tests are positive, you most likely have COVID-19 and should follow current public health measures. hb```lVB It can diagnose infection earlier than antibody detection. $u2^1 f#[&H(F2w N+ Single antigen tests, done at one point in time, are typically meant to be used within 5-7 days after symptoms begin showing, though at least one test allows for testing more than 7 days after symptoms begin showing. Hand-held detection equipment + antigen detection reagents have the sensitivity of nucleic acid detection, non-invasive sampling, and easy operation at the same time, which is an important breakthrough in rapid detection of the novelcoronaviruson-site. Reviewed in Germany on 24 January 2023. Antigen detection does not require professional laboratory personnel, special detection sites and equipment, can detect infection early, and is simple in operation and low in reagent costs. <>>> ISC03106 Rev. 1779 0 obj <>stream Und das Stbchen zum Probe entnehmen ist dick und riecht seltsam. endobj : Do not use this test on children under 2 years of age. One-step Canine Parvovirus Antigen and Canine Coronavirus Antigen Test. 3) Mix the swab sample with the assay diluent vigorously to extract the viruses. February-2023 OHC COVID-19 Antigen Self Test Health Care Provider Instructions for Use (IFU) For In vitro diagnostic use only For use under an Emergency Use Authorization (EUA) Only. , Results in 15 minutes. If the migration has not appeared after 1 minute, add one more drop of the mixed assay diluent to the sample well. x}kswW?ShT*U$8't,:[N>,kH)Z@_ht7|~?>~'OWO^o7?igO7>'9WlFC_kyksznnIc?c?vJnnGyjw&^_{I'l*OMi4C+l?z;.A{iQXMze[5v6Z[9uml(n\0C1 krZtTX4i\4_ o bMnXznkvXD0;,VM-fYt hbbd```b``^"I7D2H A woman holds a child showing cholera symptoms at a clinic run by Doctors Without Borders in a poor neighborhood of Port-au-Prince, Haiti, on "One piece" comic books by author Eiichiro Oda are displayed at the Paris Book Fair 2019 AFP JOEL SAGETThe AI programme ChatGPT EMP weapons have the potential to disrupt unprotected critical infrastructure within the US and could impact millions over large parts of the country. Jetzt kaufen! After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. 0 Covid 19 Antigen rapid test for laymen: Antigen rapid test: Corona antigen test on SARS-CoV-2 for self-testing by laymen for rapid qualitative detection of SARS-Cov-2 virus antigen using a nasal sample. Please choose a different delivery location. Talk to your health care provider if you have symptoms or suspect you have been in contact with someone who has COVID-19. The detection methods of the coronavirus mainly include three methods: nucleic acid detection, antibody detection, and antigen detection. Please click on each retailer to see that retailer's price for this product. As with all diagnostic tests, a definitive clinical diagnosis should not be based on the results of a single test, but should only be made by the veterinarian after all clinical and laboratory findings have been evaluated. visually as coloured bands (like a pregnancy test) or by a portable reader or. The kit comes with two tests. hWN#Gzt4- stream Covid 19 Antigen Schnelltest Laien: Antigen Schnelltest Corona Antigentest auf SARS-CoV-2 zur Eigenanwendung durch Laien fr den schnellen qualitativen Nachweis von SARS-Cov-2 Virus-Antigen mittels Nasenprobe. It is used as rapid investigation for suspected cases of novel coronavirus, can also be used as a reconfirmation method for nucleic acid detection in discharged cases. To reduce the risk of an invalid result, be sure to follow the instructions provided with your test. An antigen self-test cannot tell you how contagious you are or if you can spread the virus to someone else. The up-conversion luminescence products can be adapted to handheld and desktop POCT detection instruments and can be applied to different scenarios. Die Tests kommen aufwndig einzeln verpackt zum Kunden. Each retailer has a pricing policy that can be found on that retailer's page. Once you place your order, Instacart will connect you with a personal shopper in your area to shop and deliver your order. , ASIN To limit the risk to others, you should discard the used test components in accordance with federal, provincial, territorial and local guidelines. Although the same test devices are used, serial antigen tests have important differences compared to single antigen tests. The U.S. Food and Drug Administration (FDA) has granted emergency use authorization (EUA) for antigen tests that can identify SARS-CoV-2. 4) Remove a test device from an aluminum foil pouch, and place it on a flat and dry surface. This is noted in the instructions for use of each serial antigen testing product, and it is stated that a study to support use will be completed. Im Februar bestellt, nutzbar bis Ende November - das ist auch okay. Note: We have updated the list of authorized testing device to include the available instructions for use for authorized COVID-19 tests. 1 0 obj Package Dimensions People can even detect and manage the novelcoronavirusinfection at home (subject to local regulations). Rapid Antigen Test Kits. Antigen-Schnelltest (SARS-CoV-2) 100x Hotgen Schnelltest Laientest Nasaler Test Covit Test (20x5er) AT1236/21 + 1x 3M FFP2 Maske 9320+ Preis ab 13,09 (03.03.2023). Call your local public health office if you are having trouble doing a self-test or have questions about self-testing. Wantai SARS-CoV-2 Ag Rapid Test (colloidal gold) Beijing Wantai Biological Pharmacy Enterprise Co., Ltd. 27. Grundstzlich finde ich die Tests von Hotgen gehen am besten. Its flexible usage scenarios can be used for rapid screening ofnovelcoronavirusservices on a large scale, and can also greatly reduce the workload ofnovelcoronavirusdetection in hospitals. These enable the Anigen Rapid Canine Parvovirus-Coronavirus Antigen Test Kit to identify Canine Parvovirus antigen and Canine Coronavirus antigen in canine feces. Inhalt & Anwendungshinweise Das Hotgen Novel Covid-19 Schnelltest Set dient zur The directions may not have been followed correctly or the test may have deteriorated. 2) For best results, strict adherence to the instructions is required. ,,,=z3~T(c}9@JHNK5WXnP>Fe>\xSsTL|X]X |0_q&"9ey\lL'xqI3t^5 5%::std9KHQ&R v@u4KLO@%a 91[* 8) As the test begins to work, you will see a purple color move across the result window in the center of the test device. It's important to dispose of your test properly. Antigen tests are generally less sensitive than PCR tests. COPYRIGHT 1998 - 2023 DIGITAL JOURNAL INC. Sitemaps: XML / News . Some things to keep in mind when using a COVID-19 self-test: Health Canada-authorized COVID-19 antigen self-tests are safe to use when you follow the tests step-by-step instructions. Die Probeentnahme im vorderen Nasenbereich ist bei diesem Test besonders einfach. If all repeat tests are negative and you are concerned you have COVID-19, you may choose to test again using an antigen test or consult with your health care provider regarding molecular testing. People can even detect and manage the novel. This item cannot be dispatched to your selected delivery location. To calculate the overall star rating and percentage breakdown by star, we dont use a simple average. Learn more about these risks and what to do. Using the Instacart app or website, shop for products from your store of choice near you. 2) Insert the swab into a specimen tube containing 1ml of assay diluent. Follow local public health guidelines to stop the spread of COVID-19.