This is why containment is going to fail. The public health officer only has assumptions the virus isn't airborne. This germ is a superspreader. The conservative principle states we should assume everyone on a aircraft from china and in a highly enclosed environment, as in a aircraft, is assumed to be infected with the coronavirus. Once in the USA, these people need to be quarantine for two weeks, to a month, and then be tested clean.
Canadian coronavirus patient showed symptoms on flight, but risk to others is low, chief public health officer says
The Toronto man infected with the country’s first case of the novel coronavirus was symptomatic on an airplane returning to Canada from China last week, meaning other passengers could have potentially been exposed to the illness.
However, Theresa Tam, Canada’s chief public health officer, said the risks to most people who may have passed by the man in the airport or on the airplane is low. According to scientific evidence, the coronavirus is spread by droplets, so the people who face the highest risk of infection would be those in close contact with the infected individual for prolonged periods of time, she said.
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