Related Clues:

• Pandemic of 1918
• Bug that leaves you weak
• Bug with two homonyms
• Viral illness
• Blue ___ (cops' sickout)
• Debilitating bug
• Type of Volkswagen
• Target of some shots
• Seasonal affliction
• June bug, e.g.
• H1N1, for example
• H1N1, e.g.
• Swine ___
• It might be going around
• __ shot