masks, don't shoot the messenger !
from cdc
Our systematic review found no significant effect of face masks on transmission of laboratory-confirmed influenza."
https://wwwnc.cdc.gov/eid/article/26/5/19-0994_article
Nonpharmaceutical Measures for Pandemic Influenza in Nonhealthcare Settings—Personal Protective and Environmental Measures
Pandemic Influenza—Personal Protective Measures
wwwnc.cdc.gov