Posted in Article Closest known relatives of virus behind COVID-19 found in Laos 2021-12-27 Leave a Comment on Closest known relatives of virus behind COVID-19 found in Laos Nature – Studies of bats in China and Laos show southeast Asia is a hotspot for potentially dangerous viruses similar to SARS-CoV-2. Source: Closest known relatives of virus behind COVID-19 found in Laos