by swa6211
Home made masks are also good https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7108646/
Full report
https://medium.com/@tomaspueyo/coronavirus-the-basic-dance-steps-everybody-can-follow-b3d216daa343
by swa6211
Home made masks are also good https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7108646/
Full report
https://medium.com/@tomaspueyo/coronavirus-the-basic-dance-steps-everybody-can-follow-b3d216daa343