If scientists discover that immunity to the coronavirus starts to wane months or years after vaccination, a booster shot could be deployed.
COVID Today
3 in 5 Californians now at least partially vaccinated against COVID-19
More than 60% of Californians have now received at least one dose of COVID-19 vaccine, federal figures show — the latest milestone in the state’s vaccine rollout.
Thousands of young children lost parents to Covid. Where’s help for them?
More than 46,000 children in the U.S. have lost a parent to Covid-19. Families say finding even basic grief counseling has been difficult and there’s been no coordinated effort to help these children access services or benefits.
Is Rand Paul mixing up the vaccine message for COVID survivors?
The scientific literature shows that natural immunity does provide protection against COVID-19, but experts say getting vaccinated can provide additional protection against variants.
Santa Clara County had the state’s first COVID-19 rules. It just dropped its final one
Santa Clara County had the first recorded COVID-19 death in the nation. Now, more than 71% of its residents are at least partially vaccinated against the illness.
What it means when celebrities stay coy about their vaccine status
St. Louis Blues leading scorer David Perron took 10 days to explain he had indeed been vaccinated before he caught Covid-19, which knocked him from playing in the NHL playoffs against the Colorado Avalanche. His case and those of other public figures raise questions about the role of celebrity in enticing people to get covid vaccinations.
‘It’s very concerning’: COVID-19 might shrink parts of the brain, scientists say
It’s not clear how the coronavirus causes parts of the brain to shrink, and if it’s due to the virus or COVID-19 symptoms, a former FDA official said.
California reopening: Why officials say it’s safer this time around
Tuesday is not the first time California has tried to reopen its economy during the COVID-19 pandemic. But officials are hopeful it will be the last.
California reopens to joy, tinged with sorrow over 63,000 dead
As of Tuesday, restrictions were lifted at most businesses, and Californians fully vaccinated for COVID-19 could go without masks in most settings.
San Francisco to require staff in hospitals, jails and nursing homes to get COVID-19 vaccine
The San Francisco order will go into effect once the FDA gives formal approval for one of the COVID-19 vaccines.

