answers.input_text: short
answers.span_text: Pig
questions: which animal is the carrier of the h1n1 virus
name: Swine influenza
contexts: Swine flu Synonyms Pig influenza , swine flu , hog flu , pig flu Electron microscope image of the reassorted H1N1 influenza virus photographed at the CDC Influenza Laboratory . The viruses are 80 -- 120 nanometres in diameter . Specialty Infectious disease ( edit on Wikidata )