title: ECHO virus haemagglutination inhibition test for epidemiological survey in India: its utility and validity.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000914:Antibodies, Viral / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D003429:Cross Reactions; D004457:Echovirus Infections / Q000453:epidemiology*; D029822:Enterovirus B, Human / Q000276:immunology*; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007194:India; D007223:Infant; D011247:Pregnancy
chemical_list: D000914:Antibodies, Viral