TY  - BOOK
AU  - O'KANE,CAITLIN
TI  - CDC director says face masks may offer more protection against COVID than a vaccine. Here's what other experts say.
KW  - FACE MASK
KW  - OFFER MORE PROTECTION
KW  - COVID
KW  - VACCINE
UR  - http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=527072291cbfa6510a27ecf994ae5990
ER  -