@jj36ll
Active 3 년, 2 개월 전
https://www.zhuoanmedical.com/
Can face masks help slow the spread of the coronavirus (SARS-CoV-2) that causes COVID-19? Yes. Face masks combined with other preventive measures, such as getting vaccinated, frequent hand-washing and physical distancing, can help slow the spread of the virus.
The U.S. Centers for Disease Control and Prevention […] 보기
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