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While viruses do escape from laboratories, this is rare. So we concluded it was extremely unlikely this had happened in Wuhan
Jim W. Dean - This story focuses on Covid's major entry point, inhaling air with virus droplets where it has its easiest point of entry into the cells lining of your nasal passages.
“Public health needs to be a strategy,” said Trish Riley, executive director of the National Academy for State Health Policy, “not a department.”
Wang thinks a version of the virus may have circulated earlier in humans in southern Asia, perhaps flying under the radar because it didn’t cause severe disease.
Because SARS-CoV-2 is a new virus, the researchers knew that early in the pandemic, everyone was susceptible, and the outbreak would grow exponentially.
The vaccine was developed at the University of Oxford Jenner Institute.