"It even appears that China had begun making vaccines before it had admitted to the world there was a dangerous virus running rampant through the country.
But it has taken a long time to reach this point.
When Covid-19 first emerged in Wuhan in December 2019, many pointed out that the outbreak was close to the Wuhan Institute of Virology (WIV)."
https://www.yahoo.com/news/no-one-believed-covid-wuhan-204950096.html
"Chinese researchers may have begun developing two Covid vaccines in November 2019, before the official start of the outbreak, a US senate report has claimed.
The claims come in a 300-page document, which concluded that the pandemic most likely came from a lab leak and was the result of a "research-related incident" in Wuhan."
https://www.yahoo.com/news/covid-pandemic-sparked-accidental-leak-232348250.html