Current face mask challenge: <a href="https://facebook.com/groups/opensourcecovid19medicalsupplies/permalink/678554919621570" rel="nofollow">https://facebook.com/groups/opensourcecovid19medicalsupplies...</a><p>Current face mask database: <a href="https://docs.google.com/spreadsheets/d/1e81ceSrVT6Bl4UaS1SxIUUUzgZAdkIstU7Hzot08Ld8/edit#gid=0" rel="nofollow">https://docs.google.com/spreadsheets/d/1e81ceSrVT6Bl4UaS1SxI...</a>