Billions of people now carry immune memory from COVID-19 vaccination or infection, and a team of researchers has found a way ...

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During the COVID-19 pandemic, at-home antigen tests became widely accepted for detecting infection. In a new study, researchers looked into the benefits of using at-home antibody tests to detect ...

COVID-19 tests used to be able to detect a positive case within the first 48 hours, but many results are now delayed until four days after symptoms appear, according to the LA Times. Elizabeth Hudson, ...

The fastest vaccine ever created was the Zika vaccine, which took 7 months to be ready for clinical trials, but was halted from further testing when the virus began to slow. Dr. Anthony Fauci, ...

On the heels of a summer wave of COVID-19 cases, Americans will be able to get free virus test kits mailed to their homes, starting in late September. U.S. households will be able to order up to four ...

Doctors say older adults, pregnant women, and people with diabetes, heart disease, chronic lung disease, kidney disease, cancer, or weakened immunity remain more vulnerable to severe illness.