With the right training, dogs can sniff out more than 90% of COVID cases.
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Plan ahead and wash your hands. These are just some of the tips to think about before taking a COVID rapid antigen test at home.
Here’s what you need to know about the newer COVID-19 test that’s gentler on your nose.
An antigen test was given emergency use authorization by the FDA in early May. A biochemist explains how COVID-19 antigen tests work.



