Severe allergic rxn e g anaphylaxis to any prior flu vaccine If giving ccIIV3 and prior rxn was to any other flu vaccine e g IIV RIV LAIV then considered a precaution

Severe allergic rxn (e.g., anaphylaxis) to any prior flu vaccine. If giving ccIIV3, and prior rxn was to any other flu vaccine (e.g., IIV, RIV, LAIV), then considered a precaution.