Masks offer ‘small’ benefit against COVID, increased CO2 may be tied to stillbirths: research | Just The News

CO2 concentration after 5 minutes jumps higher than U.S. Navy “exposure limits for submarines carrying a female crew,” German researchers find. 12-hour D.C. bar exam may dump mask rule after memo leak.
— Read on justthenews.com/politics-policy/coronavirus/masks-offer-small-benefit-against-covid-increased-co2-may-be-related

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