noun ( formal )
ADJECTIVE
▪ avian , human
… OF INFLUENZA
▪ attack , bout ( esp. BrE )
VERB + INFLUENZA
▪ have , suffer from
▪ catch , contract
▪ prevent
INFLUENZA + NOUN
▪ epidemic , outbreak , pandemic
▪ season ( esp. AmE )
▪ virus
▪ infection
▪ symptoms
▪ strain
▪
the ~ strain known as H7
▪ vaccine
▪ immunization , vaccination