scarlet fever

noun2

1. •
   A streptococcal infection, mainly occurring among children, and characterized by a red skin rash, sore throat and fever.

   • "I am sure," replied Mrs. Palmer, "if it were not wicked, I should be glad that you had the scarlet fever; I am so much happier since I knew you... — 1838
2. •
   (slang, no longer used) Romantic attraction to soldiers in preference to other people.