单词	parvovirus
释义	parvovirus /ˈpɑːvəʊˌvʌɪrəs / noun Medicine Any of a class of very small viruses chiefly affecting animals, especially one (canine parvovirus) which causes contagious disease in dogs.Owing to narrow tissue or species specificity of parvoviruses, animal parvoviruses do not infect humans.... Puppies should be vaccinated against distemper, infectious hepatitis, leptospirosis, parvovirus, parainfluenza and rabies. Effective vaccines exist for a number of animal parvoviruses. Origin 1960s: from Latin parvus 'small' + virus.
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