I lay in bed with the flu, while the February winds howled around the apartment house.
Yours, Anne M. Frank FRIDAY, MARCH 17, 1944 My dearest darling, Everything turned out all right after all; Bep just had a sore throat, not the flu, and Mr. Kugler got a medical certificate to excuse him from the work detail.
There are no more uses of "influenza" in the book.
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Three influenza pandemics occurred in the 20th century killing tens of millions of people.
Finn’s mother had taken an unplanned trip to Boston because his dad had the flu.
Laurie Halse Anderson -- The Impossible Knife of Memory