Respiratory virus shedding in exhaled breath and efficacy of face masks | Nature Medicine
Influenza vírus lizenzfreie Stockvektoren
The 1918 Flu, Masks and Lessons for the Coronavirus Pandemic - The New York Times
Mask resistance during a pandemic isn't new – in 1918 many Americans were 'slackers'
The mask wars of the 1918 flu pandemic | Crosscut
OGIS Publishes COVID-19 FOIA Website Review Follow-up – The FOIA Ombudsman
The mask wars of the 1918 flu pandemic | Crosscut
The mask wars of the 1918 flu pandemic | Crosscut
A Christmas pandemic like no other? They thought that in 1918 | Flu pandemic | The Guardian
Flu | PEOPLE.com
Newspaper Ads on the Spanish Flu Echo Coronavirus Messaging | Time
The mask wars of the 1918 flu pandemic | Crosscut
The 1918 Flu, Masks and Lessons for the Coronavirus Pandemic - The New York Times
Influenza vaccination reduces the risk of premature death in coronary patients - Observatoire de la prévention
During the 1918 Pandemic, 'Mask Slackers' Were Labeled as Unpatriotic - HISTORY
A Christmas pandemic like no other? They thought that in 1918 | Flu pandemic | The Guardian
Woman with mask, pork influenza, Frau mit Mundschutz, Schweinegrippe Stock Photo - Alamy
How People Needed to Be Convinced to Wear Masks During 1918 Pandemic
During the 1918 Pandemic, 'Mask Slackers' Were Labeled as Unpatriotic - HISTORY
Spanish Flu Face-Masks Backlash: Why Did Many Americans Refuse To Cover Their Faces in 1918?
Everyone wore masks during the 1918 flu pandemic. They were useless. - The Washington Post
Archiv Spanische Grippe 1918 Foto Vorsichtsmaßnahmen in Seattle, Washington USA während der Spanischen Influenza-Epidemie verboten es jedermann, auf den Straßenautos zu fahren, ohne eine Maske zu tragen. Schaffner weigert sich, einen Passagier
The 1918 Flu, Masks and Lessons for the Coronavirus Pandemic - The New York Times
San Franciscans Were Required to Wear Masks During the 1918 Influenza Pandemic - SF Weekly
COMMENTARY: Masks-for-all for COVID-19 not based on sound data | CIDRAP
