A 43 year old man with asymptomatic infection was found in Hefei, Anhui Province

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 A 43 year old man with asymptomatic infection was found in Hefei, Anhui Province


Guangdong woman was diagnosed as asymptomatic infection 10 days after she was released from isolation

The novel coronavirus pneumonia cases mainly have a fever, cough and other respiratory symptoms. They will excrete respiratory secretions containing viruses through cough and sneezing, and infect others through close airway droplets.

However, asymptomatic patients do not have any cough, sneeze and other respiratory symptoms, so they have little chance to discharge respiratory secretions. Compared with patients with obvious symptoms, the transmission ability is limited.