Covid-19 Information Learn more about Covid-19 PCR and Antigen tests. What is the COVID PCR Test? How Do COVID-19 PCR Tests Work? How Accurate Are Covid-19 PCR Tests? Can a COVID-19 PCR Test Pick Up COVID-19 Before Symptoms? What’s the Difference Between a PCR and Antigen Test? Is a PCR Test Better Than An Antigen Test? What Should You Do If You Test Positive For COVD-19 With a PCR Test? How Long Should You Isolate After a Positive PCR Test? Are COVID-19 PCR Tests Safe? Should You Get a PCR Test Before You Travel?