One Covid-19 case can infect 9 people on a Chennai bus: Study | Chennai News

CHENNAI: Up to nine people can get infected while travelling on a half-full city bus with one Covid-19 positive passenger, shows a study by scientists at the Anna University and Puducherry-based ICMRVector Control Research Centre. The numbers can increase if there are more infected patients or if the bus is more crowded or if the passengers travel longer distances. In the study, recently published in...

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