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covid
What’s the difference between PCR and antigen tests? A molecular biologist explains
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Each test plays a role in detecting the novel coronavirus and helping prevent its spread.California
California rolled out websites and apps to fight COVID-19 — did they work?
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Despite hiccups and even some larger malfunctions, the state's COVID information systems have largely been a success.business
Are California’s vaccine rules making inequality worse?
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The problem is particularly acute when it comes to public education because it could block already underserved students from school.COVID-19
Why vaccine doses differ for babies, kids, teens and adults
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An immunologist explains how your immune system changes as you mature.covid
Is COVID-19 here to stay? A team of biologists explains how a virus becomes endemic
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The ultimate fate of a virus depends on how well it maintains its transmission.California
State schools chief apologizes to private, parochial school leaders for mishandling federal COVID aid
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Tony Thurmond acknowledges frustration and promises to free up $187 million, much of it for urban parochial schools.Bay Area
What’s next for schools after COVID vaccine OK’d for children?
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Some parents are hoping schools will ease masking and testing requirements, but that could still be months away.Arts & Entertainment
NYC’s Ballet Hispánico celebrates 50 years of challenging narratives
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The 17-member dance company performs at Zellerbach Hall on Saturday night.covid
