#Masks4All
3 Threads
What does a mask do? Blocks respiratory droplets coming from your mouth and throat. Two simple demos: First, I sneezed, sang, talked & coughed toward an agar culture plate with o...
في الايام الماضية يتداول موضوع الاخطار التي قد تنجم عن استخدام الكمامات و ساستعرض هنا الرد العلمي على هذه الاعاءات #الكمامات_للجميع #Masks4All
Key indicator on #COVID19 is active cases, the number of patients who are currently sick. In most countries, this is increasing fast. One country that is showing decrease is South...