Each week, we answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at [email protected] with the ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

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 ...

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 ...

The government has halted Covid-19 testing at a private lab in Wolverhampton after at least 43,000 people were incorrectly given a negative PCR test result. The differences between PCR and lateral ...

Every American traveling abroad needs to take an antigen test to return to the United States. But the start of the trip is often even more cumbersome, as many other countries (nearly every one I have ...

In an ideal world, the U.S. would be awash in COVID tests. Anyone exposed to COVID-19 could self-test and/or go to a lab or clinic for a test if necessary. Each week, we answer frequently asked ...

Each week, we answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at [email protected] with the ...