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The COVID-19 Rapid Antigen Test is a lateral flow immunoassay for the qualitative detection of SARS-CoV-2 nucleocapsid antigen in anterior nasal swab samples directly from individuals suspected of COVID-19 within the first seven days of symptom onset.
The test can be used to test samples from asymptomatic individuals. This antigen is generally found in upper respiratory tract samples during the acute phase of infection. Positive results indicate the presence of viral antigens, but clinical history and other personal diagnoses are needed to determine infection status. Positive results do not rule out bacterial infections or co-infection with other viruses. The detected pathogen may not be the exact cause of the disease. Negative results in individuals with symptoms present for more than seven days should be treated as presumptive negative. If this occurs, confirm with molecular analysis.
Negative results do not rule out SARS-CoV-2 infection. The SARS-CoV-2 Rapid Antigen Test is used as an aid in the diagnosis of SARS-CoV-2 infection. The utility of independent testing by individuals under 18 years of age has not been determined. It is recommended that individuals under 18 be tested by an adult.
Test results are read visually within a 15- to 30-minute successive interval, based on the presence or absence of colored lines. A colored line with a procedural control function will always appear in the control line area, to indicate that a sufficient sample volume has been inserted and that membrane absorption has occurred.
Clinical Performance:
Sensitivity: 97.1% (95% CI: 93.1%-98.9%)
Specificity: 99.5% (95% CI: 98.2%-99.9%)
Accuracy: 98.8% (95% CI: 97.6%-99.5%)
LOD: 1.6x102 TCID50/mL
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
