As more come down with the flu, I suspect the reassurance will become more challenging.
After all, flu dilly-dallied last season, barely making a peep.
Russia and China, among other countries, decided to quarantine visitors with flu symptoms.
Blister rust is like having the flu; the pine beetle is like fast acting leukemia.
All immunizations, including the one for the flu, come with side effects.
Maybe it would be Little Jim, as well as somebody else, if his mom was going to have the flu.
If he were on Earth, he would be certain it was the flu; in the Centaurus system, kranken.
George Jennings died of the flu in Parissee that big blonde over there, Dave?
If he hadn't gone with the flu, that ranch'd been paid for in another year.
I washed for myself a little and I got the flu and got in bad health.
1839, flue, shortening of influenza. Spelling flu attested from 1893. For choice of middle syllable, not a common method of shortening in English, Weekley compares tec for detective, scrip for subscription.