Related Clues:
- Swine or bird --
- Pandemic during World War I
- Common winter illness
- Debilitating winter ailment
- Something you might get shot for?
- The grippe, now
- Epidemic brought back from the Gulf
- ___ shot
- H1N1, for instance
- Midwinter malady
- Type of shot taken in winter
- Ailment with a "season"
- Sick-day reason
- No mere cold
- December danger