A new push for COVID - 19’s roots
Oct 29, 2021
3 minutes
By Jamie Ducharme
![211108brled_082](https://article-imgs.scribdassets.com/626sl8mocg958rkp/images/fileL9NYSGFX.jpg)
ALMOST TWO YEARS INTO the COVID-19 pandemic, as booster shots roll out and this summer’s Delta-related surge subsides in the U.S., it’s still not clear exactly how, where or when SARS-CoV-2 began infecting people. Many experts believe the virus jumped from animal hosts to humans, but researchers continue to investigate the possibility that it escaped from a laboratory.
The chances of figuring out which, if either, of
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