The use of masks during the Spanish flu pandemic, 1918.

Image from preview.redd.it and submitted by _McThompson
image showing The use of masks during the Spanish flu pandemic, 1918.

p1um5mu991er on July 29th, 2021 at 12:45 UTC »

Ah, yes...the N4's

lacaveberlin on July 29th, 2021 at 14:11 UTC »

Picture is from 1932 in London during an outbreak of influenza. Has nothing to do with the Spanish flu.

Spartan2470 on July 29th, 2021 at 14:32 UTC »

Here is a much cleaner and less cropped version of this image (though it does have the Adobe Stock watermark). Here is the source.

Couple with Flu Masks. Date: 1929

This source also dates this in 1929.

Another bout of 'flu that killed so many in Britain after WW1 lasted from 1929 to 1937, people wore surgical masks or as this couple show 'stylish nose caps' Date: 1929

But Getty Images dates it from 1932.

Great Britain, England, London: Couple wearing a mask to defend influenza. 1932 (Photo by ullstein bild/ullstein bild via Getty Images)

The fourth and last wave of the Spanish flu was in 1920.