Covid-19 live updates: Biden urges more people to get vaccinated as FDA panel recommends Moderna booster – The Washington Post

Amid controversy and investigations about the origin of the coronavirus, it is the story of Nipah — and an encyclopedia of zoonotic diseases that includes rabies, West Nile, Ebola, HIV, MERS and SARS — that has led many scientists to argue that the most likely explanation is a natural spillover that occurred in the wild, not a leak from a lab.

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