influenza

The other goes back to a person’s first influenza exposure.

After the Influenza Pandemic of 1918 killed 675,000 people in the U.S., it became known as the “Forgotten Pandemic,” because governmental and scientific institutions, along with the public, largely stopped talking about it, said George Dehner, a historian at Wichita State University who studies public health.

Murnau's silent film Nosferatu in 1922, centring on a character famous for the plagued rats he brought in his wake, came shortly after the Spanish influenza pandemic.

Swine are considered by health officials to be efficient influenza mixing bowls: They are susceptible to both avian and human flu viruses and can potentially provide an opportunity for different viruses to exchange genetic materials and become a greater threat to humans.

A July 22 email suggests that people might have infected their domestic cats with the bird flu, also called HPAI, for “highly pathogenic avian influenza,” but epidemiologists couldn’t determine how it happened because the animals’ owners had not been tested.