The Most – and Least – Effective Face Masks
Researchers at Duke University have developed a new tool to find the effectiveness of the various types of masks people are using to stop spread during the COVID-19 pandemic. And some offer less protection than others, researchers found. So which masks are the best — and the worst? Duke researchers say, naturally, the most effective mask was the N95. The Centers for Disease Control and Prevention explains that N95 are […]