The team analysed 167 bat coronavirus genomes and traced the origins of the virus that causes Covid-19 to bat populations in northern Laos and southwest China’s Yunnan province, where its most recent ancestor circulated five to seven years before the pandemic emerged.
“northern Laos and southwest China’s Yunnan province”
42·13 days ago
“northern Laos and southwest China’s Yunnan province”
FORT DETRICK 