Face masks reduce new infections significantly, German study finds COVID-19 Special 2 views 2 years ago 12 minutes, 13 seconds Uploaded by Segrey Chablinskai Related videos 0:41 120:00 0:58 9:34 451:00 2:52 1:07 0:53 171:10 0:58 6:01 12:20 1:57 6:04 3:36 0:20 0:38 0:36 0:42 3:45 3:19 21:25 7:39 10:57 1:35 0:15 0:33 12:31 0:53 5:08 10:11 9:21 13:49 0:42 17:43 21:18 18:17 1:46 1:54 2:31 0:28 2:51 1:46 3:49 0:50 0:54 3:54 0:31
