Shanghai sends 500,000 tubes of samples to east China's Anhui for nucleic acid testing(1/4)

Two helicopters carrying 50,000 tubes of nucleic acid samples take off from Tomson Base in Pudong, east China's Shanghai to hospitals in Anhui Province for nucleic acid testing, April 12, 2022. (Photo: China News Service/Yin Liqun)

Staff members load nucleic acid samples to a helicopter at Tomson Base in Pudong, east China's Shanghai. Two helicopters carried 50,000 tubes of nucleic acid samples left Shanghai for hospitals in Anhui Province for nucleic acid testing, April 12, 2022. (Photo: China News Service/Yin Liqun)

Staff members load nucleic acid samples to a helicopter at Tomson Base in Pudong, east China's Shanghai. Two helicopters carried 50,000 tubes of nucleic acid samples left Shanghai for hospitals in Anhui Province for nucleic acid testing, April 12, 2022. (Photo: China News Service/Yin Liqun).

Two helicopters carrying 50,000 tubes of nucleic acid samples take off from Tomson Base in Pudong, east China's Shanghai to hospitals in Anhui Province for nucleic acid testing,April 12, 2022. (Photo: China News Service/Yin Liqun)