الأربعاء، 4 نوفمبر 2020

Rise in untraced COVID-19 cases puts Alberta response at risk, infectious diseases expert warns

By on 4:27 م
Rise in untraced COVID-19 cases puts Alberta response at risk, infectious diseases expert warns
COVID Que 20201021 Covid test swab

Two-thirds of the COVID-19 cases most recently reported in Alberta have no known source.


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