Health & Fitness

Delta variant 'twice as infectious' as previously thought
Doctors are now raising questions about extending quarantine to 18 days for those who are infected, and more regular COVID tests, even among vaccinated people. One Stanford doctor believes everyone should be getting testing 1-2 times per week.
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Coronavirus updates: COVID outbreak reported at Contra Costa jails
OB-GYN associations recommend all pregnant people get vaccinated
Coronavirus pandemic: Timeline of major moments
Experts explain why it's safe for kids to return to school
Health officials respond to self-prescribed COVID booster shots
Disney joins list of companies requiring vaccine for nonunion workers
Broadway announces audience vaccine, mask requirements
What we know about the delta variant
CDC document warns delta variant spreads as easily as chickenpox
CDC mask decision followed stunning findings from Cape Cod outbreak
Simone Biles and 'the twisties': How fear affects safety in gymnasts
UC Davis Health begins COVID-19 booster trial
CDC warns Delta variant is as infectious as chickenpox
Israel to offer 3rd COVID booster shot to older citizens
Here are the Bay Area cities with the lowest vaccination rates
Bay Area companies, big and small, issue COVID-19 vaccine mandates
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