流感

flu / influenza

to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

to feel / to move / to touch / to affect / feeling / emotion / (suffix) sense of ~

bird flu / avian influenza

Chinese translation of "kung flu", a term used by US President Trump in 2020 to refer to COVID-19 as a "Chinese" disease

flu shot / influenza vaccination

influenza virus / flu virus

swine influenza / swine flu / influenza A (H1N1)

swine influenza virus (SIV)

oseltamivir / Tamiflu