harva esinev inimestele ja sigadele nakkav A-viiruse alatüüp, tõenäoliselt sama, nagu 1918.-1919.a. haiguse tekitaja
an acute highly contagious, respiratory disease caused primarily by a Type-A influenza virus and characterised by depression, fever, anorexia, coughing, dyspnea, muscular weakness, prostration, and a mucous discharge from the eyes and nose. Pigs are the principal hosts of swine influenza virus, although influenza viruses found in pigs also occur in man and birds
They originate from herds: ... (ii) in which, immediately prior to the isolation period referred to in subparagraph 6, no evidence has been recorded which leads to a conclusion that - anthrax, has occured during the previous 30 days, - rabies, Aujeszky's disease, swine dysentery, viral encephalomyelitis (vomiting-and-wasting disease), leptospirosis and atrophic rhinitis have occured during the previous six months, - transmissible gastroenteritis and swine influenza have occured during the previous 12 months ...
