Why did the 1918 flu pandemic end?

Evolution tends to select the milder forms so as to spread more effectively and over time will predominate.

Factors contribute to virulence: overcrowding and mode of transmission: WWI and cities.

Eventually survivors contract—milder forms.
In 1919 they called it “The Grip” this section of a newspaper article compared it to the 1888-1890 last cycle of influenza. They had a very interesting perspective.
These ads ran in the newspapers in 1919 during the Spanish Flu.
These ads ran in the newspapers in 1919 during the Spanish Flu.
These ads ran in the newspapers in 1919 during the Spanish Flu.
These ads ran in the newspapers in 1919 during the Spanish Flu.
These ads ran in the newspapers in 1919 during the Spanish Flu.
More ads that ran in the newspapers in 1919 during the Spanish Flu.
More ads that ran in the newspapers in 1919 during the Spanish Flu.
More ads that ran in the newspapers in 1919 during the Spanish Flu.
Spanish Flu recommendations from 1919:
Spanish Flu recommendations from 1919:
Spanish Flu recommendations from 1919:
Spanish Flu recommendations from 1919:
Spanish Flu recommendations from 1919:
Very interesting insights from 1919 Spanish Flu.
In 1919 the newspapers played a massive roll in presenting the Spanish Flu.

Interesting is the gauze mask recommendations by the Red Cross years later were confirmed to have minor effect on this particular virus.

On October 28th, 1919 this became fatal by lead—bullets.
In 1919 the newspapers played a massive roll in presenting the Spanish Flu.Interesting is the gauze mask recommendations by the Red Cross years later were confirmed to have minor effect on this particular virus.On October 28th, 1919 this became fatal by lead—bullets.
In 1919 the newspapers played a massive roll in presenting the Spanish Flu.Interesting is the gauze mask recommendations by the Red Cross years later were confirmed to have minor effect on this particular virus.On October 28th, 1919 this became fatal by lead—bullets.
In 1919 the newspapers played a massive roll in presenting the Spanish Flu.Interesting is the gauze mask recommendations by the Red Cross years later were confirmed to have minor effect on this particular virus.On October 28th, 1919 this became fatal by lead—bullets.
In 1919 the newspapers played a massive roll in presenting the Spanish Flu.Interesting is the gauze mask recommendations by the Red Cross years later were confirmed to have minor effect on this particular virus.On October 28th, 1919 this became fatal by lead—bullets.
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