Liang Wannian, co-leader of World Health Organization–China joint expert team, attends news conference in Beijing, March 31, 2021, on WHO-China study on origins of COVID-19 (Reuters/Thomas Suen)
Liang Wannian, co-leader of World Health Organization–China joint expert team, attends news conference in Beijing, March 31, 2021, on WHO-China study on origins of COVID-19 (Reuters/Thomas Suen)