Animal reservoir for swine influenza virus is?: (A) Field mice, (B) Urban rats, (C) Pigs, (D) Calomys callosus
Answer is C. The swine flu virus H1N1 caused a localized outbreak in a military camp in the USA. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:502