The serotypes that have been confirmed in humans , ordered by the number of known human pandemic deaths , are : H1N1 caused `` MISC@1 Flu '' in NUMBER@1 , `` Swine flu '' in NUMBER@2 H2N2 caused `` MISC@2 '' .

The serotypes that have been confirmed in humans , ordered by the number of known human pandemic deaths , are : H1N1 caused `` MISC@1 Flu '' .
