Chinese scientists have paid much attention to the role of cold chains in the transmission of the virus, said Wang Chen, president of the Chinese Academy of Medical Sciences and Peking Union Medical College.
Wang made the remarks at a press conference on the novel coronavirus origin-tracing work held by the State Council Information Office on July 22 in Beijing.
Wang said the scientists found a close connection between some patients' infections and their exposure to cold chain goods. On the surfaces of these goods, they also detected the existence of live viruses.
It has been proved that viruses survive and remain infectious for longer in cold and dry environments. Therefore, the evidence chain of transmissions by cold chains is relatively substantial.
Wang suggested that cold chains should be a significant clue in ongoing virus origin tracing.
Produced by Xinhua Global Service
