Coronavirus: 'Viruses don't carry passports:' Why travel bans won't work to stop spread of COVID-19

U.S. President Donald Trump's decision to restrict travel from most European countries to try to contain what he called a "foreign virus" isn't grounded in science and breaks international law, experts say.

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https://www.cbc.ca/news/health/covid19-travel-bans-1.5495919