Add Yahoo as a preferred source to see more of our stories on Google. For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and ...

Add Yahoo as a preferred source to see more of our stories on Google. COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types ...

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, reviews scenarios where an at-home antigen test is a good option, and when to seek out a lab-based PCR. The omicron variant is ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

CHICOPEE, Mass. (WWLP) – As more COVID rapid tests become available you might be thinking about what type of test is best to get. COVID testing sites are seeing thousands of people every day, but what ...

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 ...

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 goatsandsoda@npr.org with the ...

SYDNEY, AUSTRALIA - SEPTEMBER 29: In this photo illustration a man uses a COVID-19 rapid antigen test kit at home on September 29, 2021 in Sydney, Australia. Australians will be able to use rapid ...

Ducharme is a contributor to TIME. A medical worker performs a COVID-19 test at a screening center in Saint-Denis, France, on Nov. 4, 2020. Ducharme is a contributor to TIME. If you had COVID-19 ...

In this week's edition of the Covid Q&A, we dive into how to know you’re really Covid negative. In hopes of making this very confusing time just a little less so, each week Bloomberg Prognosis picks ...