Coronavirus traces on Vietnamese, Thai fruit see Chinese cities close stores, impose quarantine

A number of Chinese cities have started emergency screenings for coronavirus on imported food and ordered fruit buyers to quarantine after fresh produce from Southeast Asia tested positive.Despite little evidence people can catch Covid-19 from food, at least nine cities in Zhejiang and Jiangxi provinces have reported positive coronavirus results on dragon fruit imported from Vietnam or longan fruit from Thailand since December.This has led to temporary shutdowns of supermarkets and tighter…