COVID-19
covid
How can scientists update coronavirus vaccines for omicron?
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A microbiologist answers five questions about how Moderna and Pfizer could rapidly adjust mRNA vaccines.COVID-19
Is it time to change the definition of ‘fully vaccinated’?
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Experts weigh in as the federal government urges everyone to get boosted amid concerns over omicron, a new COVID variant.Bay Area
S.F. not altering health orders after city sees nation’s first omicron COVID case
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The nation's first reported case of the omicron variant was reported in a man returning from South Africa.COVID-19
Who’s in? Who’s out? The ethics of COVID-19 travel rules
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Two bioethicists see far-reaching consequences of COVID-related travel bans that should prompt policymakers to consider not just science, but ethics, too.COVID-19
Omicron and other coronavirus variants: What you need to know
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A round-up of what we know so far about global efforts to manage and understand the latest variant.COVID-19
California braces for omicron COVID variant
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The omicron variant does not yet appear to have entered the U.S., but California is already bracing for a surge in COVID cases.covid
The hunt for coronavirus variants: how the new one was found and what we know so far
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The World Health Organization named the new variant "omicron" Friday and described it as a variant of concern.COVID-19
Another COVID holiday: Is California in a better place this year?
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Eighteen counties, mostly rural ones, have more hospitalized COVID-19 patients today than a year ago.COVID-19
