In 2015, the CDC conducted a randomized controlled trial to compare the efficacy of cloth masks with that of medical masks and controls (standard practice) among healthcare workers in Vietnam. Rates of infection were consistently higher among those in the cloth mask group than in the medical mask and control groups. This finding suggests that risk for infection was higher for those wearing cloth masks.
No effing duh. People touch their faces all damn day contributes to getting sick. Who would have ever thought?
It doesn’t take a medical genius to understand how a reused cloth mask will trap a whole lot of shit. Not sure why people don’t see this.
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