A Covid-19 vaccine from insects: China rolls out tests

China has approved human testing for a potential coronavirus vaccine cultivated within insect cells, local government in the southwestern city of Chengdu said on Saturday. China is in a global race to develop cost-effective vaccines to curb the Covid-19 pandemic. Using insect cells to grow proteins for the coronavirus vaccine - a first in China - could speed up large-scale production, the city government of Chengdu said in a notice on social media WeChat. The vaccine, developed by West China Hospital of Sichuan University in Chengdu, has received approval from the National Medical Products Administration to enter a clinical trial, the notice said. When tested on monkeys, the vaccine was shown to prevent Sars-CoV-2 infections with no obvious side-effects, the notice added.