The COVID-19 incubation period typically ranges from 2- 14 days but averages 3-5 days. COVID is most contagious from two days before to three days after your symptoms start. Over 98% of people in the ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. Bay Area-raised host Ericka Cruz Guevarra brings you context and analysis to ...

With each new COVID-19 variant, the interval between exposure and symptom development appeared to shorten, according to a study published Aug. 22 in JAMA Network Open. COVID-19 is known to have a ...