Experiments to Determine Mode of Spread of Influenza (August 2, 1919)

They even went so far as to have the patients cough directly into the volunteers’ faces. This was also done five times.
Each volunteer went through this whole process with ten different influenza patients at various stages of the disease. But incredibly, even after all this, the volunteers were watched carefully for a whole week, and surprise, surprise, none of them got sick.
In addition, it also points out that two of the doctors who worked on the experiments conducted a similar study at Goat Island, San Francisco, and “they were unable to reproduce the disease” in these tests, as well.