corona vaccine News

Double masking amid COVID-19 not backed by research, experts say

April 22, 2021 No Comments
Mary Van Beusekom | News Writer | CIDRAP News
Apr 22, 2021

A study assessing use of a medical mask under a cloth mask for COVID-19 has some scientists concerned.

Mary Van Beusekom | News Writer | CIDRAP News

Apr 22, 2021
A study assessing use of a medical mask under a cloth mask for COVID-19 has some scientists concerned.Read More

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