Related Clues:

• Midwinter malady
• Junior broker's duty
• Type of shot taken in winter
• Ailment with a "season"
• Sick-day reason
• No mere cold
• Common complaint caught by the elderly
• December danger
• Could you leave when it's not warm
• Blue ___ (cops' sick-out)
• Common complaint
• Contagious disease
• Common ailment caught by the elderly
• Viral infection (colloq.)
• How boxers can be caught