Hong Kong flu

noun

ˈhäŋ-ˈkäŋ- 

variants also Hong Kong influenza

: influenza that is caused by a subtype (H3N2) of the orthomyxovirus (Alphainfluenzavirus influenzae) causing influenza A and that was responsible for about 34,000 deaths in the United States in the influenza pandemic of 1968–1969 compare asian flu, spanish flu