Disease Prevention

Study Confirms One Type of COVID Mask Is 'Significantly Better' Than Others They're not all the same. David Nield ScienceAlert

Of the four types of masks tested, the duckbill N95 mask came out on top: it blocked 99 percent of large particles and 98 percent of small particles from getting out into the air. Overall, 98 percent of the viral load was blocked by the N95.

Study identifies female sex, heart disease as long-COVID risk factors, vaccination as protective Women and adults with preexisting conditions such as cardiovascular disease are less likely to recover from COVID-19 within 3 months, while vaccination and Omicron-variant infection were linked to a quicker recovery, reveals a study posted yesterday in JAMA Network Open. It also showed that more than one in five adults had protracted recoveries. CIDRAP

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