1. Influenza caused by the Asian virus that was first isolated in 1957
   - Asian influenza

Type of: flu, grippe [archaic], influenza

• Otariidae
• otc
• OTC market
• OTC security
• OTC stock
• Othello
• other
• other half
• other than
• otherness
• others
• otherwise
• otherworld
• otherworldliness
• otherworldly
• Othman I
• Otho
• Otho I
• Otho of Lagery
• othonna
• otic
• otic ganglion
• Otides
• Otididae
• otiose