There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

In a Feb. 4 email to the Cornell community, Vice President of Student and Campus Life Ryan Lombardi announced that the University’s COVID-19 surveillance testing plan will be modified to reduce the ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

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As of May 2022, the U.S. is experiencing another uptick in the number of COVID-19 cases. High rates of infection in Europe and Asia, along with the continued emergence of new sub-variants, such as ...

As COVID-19 case numbers have been slowly rising across the United States, Americans are turning to at-home rapid antigen tests to suss out whether they are sick from a good-old fashioned cold, the ...

The United States is once again watching coronavirus cases and hospitalizations rise as summertime nears. Nearly half of Americans – 45 percent – are living in communities with medium or high ...

The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...