For people who have had Covid-19, a single dose of the Pfizer vaccine is enough to provide robust protection from the coronavirus, according to two
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The hope brought by the arrival of the first vaccines in South America is hardening into anger as inoculation campaigns have spiraled into scandal, cronyism
Read moreThe rate of Covid-19 vaccinations in the United States, which had been accelerating after a chaotic start, has quickly fallen after a winter storm blew
Read moreBy Michael Wines Not three months ago, the coronavirus had so ravaged South Dakota that its packed hospitals were flying patients to other states for
Read moreAs winter storms threatened to upend distribution of Covid-19 vaccines, the White House on Tuesday said that states collectively would begin receiving 13.5 million doses
Read moreA cougar has tested positive for the coronavirus, the first such instance in the United States. And a tiger at the same Texas facility that
Read moreFor a vast majority of Americans, a coronavirus vaccine is like sleep for a new parent: It’s all you can think about, even if you
Read moreLots of people seem to be smoking again or more during the pandemic, if anecdotal evidence and preliminary sales figures for tobacco products are any
Read moreAfter a bumpy start in the coronavirus response, Ursula von der Leyen, the president of the European Commission, secured a major win in June, placing
Read moreU.S. regulators could decide within a few weeks whether to allow Moderna, the developer of one of the two federally authorized Covid-19 vaccines, to increase
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