Students sitting 6 feet apart in classrooms no better protected from those who sit 3 feet apart

[السياسي]

A new Harvard study found no difference in COVID-19 cases rates among students or staff in districts that had students sitting three feet apart compared to six feet apart.

https://www.dailymail.co.uk/health/article-9355893/Students-sitting-6-feet-apart-classrooms-no-better-protected-sit-3-feet-apart.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]