It can take as few as two or as many as 14 days after being exposed to the novel coronavirus for the first symptom to develop. This is when it might feel like a cold or the common flu. Many ...

A new study finds the risks of developing long COVID declined over the first two years of the pandemic. But unvaccinated adults were more than twice as likely to get long COVID compared with those ...

COVID-19 TIMELINE: The novel coronavirus pandemic unfolded with breathtaking speed. Here's a look at the major moments in the San Francisco Bay Area and beyond. BART workers fired due to COVID ...