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States will receive about 14.5 million doses of the coronavirus vaccine this week, marking a nearly 70% increase in distribution of doses over the last month, White House press secretary Jen Psaki said Tuesday.

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The coronavirus most likely first appeared in humans after jumping from an animal, a team of international and Chinese scientists looking for the origins of COVID-19 said Tuesday, saying an alternate theory that the virus leaked from a Chinese lab was unlikely.

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  • Posted

Early research suggests immunity to the coronavirus that causes COVID-19 can last for at least six months -- and possibly much longer, perhaps even years, when all components of the body's immune memory are taken into consideration.