The CDC blocked the release of a study about COVID-19 vaccine effectiveness. Here's what it contains.

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As family and friends gather over the winter season to spread holiday cheer, they may also unwittingly spread the flu and COVID-19. At-home COVID-19 tests were an important part of preventing viral ...

The expiration date listed on the box might not be accurate. Here’s what to know. By Dani Blum As the government ships out another round of free Covid tests, some appear to have arrived already ...

A covid vaccine study that the CDC’s chief halted this spring over methodological concerns was published Tuesday in JAMA Network Open, a leading peer-reviewed medical journal. The analysis used the ...