The U.S.Surgeon General, Jerome Adams posted this Rhyme on February 1, 2020

Roses are red
Violets are blue
Risk is low for coronavirus 
But high for the flu

At the time of this tweet, from our Surgeon General on February 1 2020 we already had over 12,000 confirmed Coronavirus cases in the U.S and 360 deaths; and probably many more unknown cases since we had no significant testing capability (and still don't)