You may want to keep tests and masks handy.

Yale researchers have found clues as to why certain people experience adverse health effects after the COVID-19 vaccine, ...

All vaccines essentially mirror the actual virus. Some people are more ready to have the inflammation response,” Jeudy said. “The mirroring is like being in a sauna compared to being in a burning ...

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

Respiratory viruses are more active from October through March. Use over-the-counter COVID tests and clinical tests to distinguish respiratory viruses. Health officials advise vaccines, testing and ...