<prompt> Small pox belongs to which class of poxviruses ?ParapoxvirusCapripoxvirusLeporipox virusOhopoxvirus  <response>: Ans. is d i.e., Ohopoxvirus i Entomopoxvirinae : Poxviruses of insects which do not infect veebrates. Chordopoxvirinae are classified into six genera or subgroups - i Ohopoxvirus : These are mammalian poxviruses that tend to cause generalized infection with rash. Exmples are variola smallpox virus, vaccinia, cowpox, monnkeypox, rabbitpox, buffalopox, camelpox, mousepox. ii Parapoxvirus : Viruses of ungulates that may occasionally infact human, eg. Orf contagious pustular dermatitis and paravaccinia milkers node, bovine pupular stomatitis. iii Copripoxvirus : Viruses of goat and sheeps, eg. sheep-pox, goatpox, lumpy skin disease. iv Leporipox virus : Viruses of of leporids rabbits, hares, squirrels, e.g. myxoma and fibromas. v Avipoxvirus : Virus of birds, eg. fowlpox, turkeypox, pigeonpox, canarypox. vi Suipoxvirus : Virus of swine, eg. swinepox. 