contagion, contagious disease - any disease easily transmitted by contact

Asian influenza, Asiatic flu - influenza caused by the Asian virus that was first isolated in 1957

swine flu, swine influenza - an acute and highly contagious respiratory disease of swine caused by the orthomyxovirus thought to be the same viurs that caused the 1918 influenza pandemic

respiratory disease, respiratory disorder, respiratory illness - a disease affecting the respiratory system