norwalk virus คือ

aujeszky virus pseudorabies virus
chikungunya virus alphavirus getah virus ross river virus semliki forest virus sindbis virus
cowpox virus ectromelia virus feline poxvirus orthopoxvirus
densonucleosis virus densovirus
distemper virus carre’s disease virus
ectromelia virus cowpox virus feline poxvirus orthopoxvirus
egtved virus fish rhabdoviruses spring viraemia virus
erythroblastosis virus avian leukosis virus avian myeloblastosis virus avian oncovirus reticuloendotheliosis virus
fmd virus aphthovirus foot and mouth disease virus
getah virus alphavirus chikungunya virus ross river virus semliki forest virus sindbis virus
hantaan virus hantavirus puumala virus
lelystad virus ไวรัสโรคพีอาร์อาร์เอส
maedi virus visna maedi virus visna virus
myxoma virus leporipoxvirus myxomatosis virus rabbit fibroma virus
myxomatosis virus leporipoxvirus myxoma virus rabbit fibroma virus