Surgical masks as good as respirators for flu and respiratory virus protection: Newsroom - UT Southwestern, Dallas, TX
Photos: How People Tried to Protect Themselves From Flu Pandemics - HISTORY
Flashback: Spanish Flu Mask | Pfizer
The lessons learned from 1918 flu fatigue, according to historians
How effective are face masks against the flu? Will wearing a mask stop me from getting the flu? What can I do to avoid getting sick? - ABC News
The lessons learned from 1918 flu fatigue, according to historians
Influenza Precautions, Then and Now – Circulating Now from NLM
Our face mask future: Do they really help beat flu, coronavirus and pollution? | Coronavirus | The Guardian
The 1918 Flu, Masks and Lessons for the Coronavirus Pandemic - The New York Times
During the 1918 Flu Epidemic, Pet Parents Put Masks on Their Cats - Atlas Obscura
Churchill and the Flu | Brunswick Group
In the 1918 flu pandemic, not wearing a mask was illegal in some parts of America. What changed? | CNN
During the 1918 Pandemic, 'Mask Slackers' Were Labeled as Unpatriotic - HISTORY
Best masks, masking methods to protect against Covid, flu, RSV
Spit Spreads Death | Mütter Museum
Surgical masks as good as respirators for flu and virus protection - CT Plus - UT Southwestern
Asking About Masking: Uncovering Spanish Flu Mask Fashion - The Costume Society
/cloudfront-us-east-1.images.arcpublishing.com/tbt/HTAYIEB4UND6LD4CKMXV7UZCMQ.png "Anti-mask sentiment goes back 100 years to Spanish flu pandemic")
Anti-mask sentiment goes back 100 years to Spanish flu pandemic
Unprecedented' | State Library of NSW
Five face masks that went down in 'fashion history legend', long before coronavirus - ABC News
The 1918 Flu, Masks and Lessons for the Coronavirus Pandemic - The New York Times
The mask wars of the 1918 flu pandemic | Crosscut
Flu Masks in Indiana during the 1918 Epidemic – Items
Spanish Flu, COVID-19, and the City's Schools | NYU Steinhardt
Protesting During A Pandemic Isn't New: Meet The Anti-Mask League Of 1918
