Where is grandma Chen, a scientist?
People from Lanxi County, Jinhua City, Zhejiang Province. Grandma Chen was born in 1936. She is a biosafety expert in China, an academician of China Academy of Engineering and a virologist. On May 2, 2022, Academician Chen Wei's COVID-19 vaccine was approved, becoming the only COVID-19 vaccine approved for emergency use in China.