Echo 9 virus antibody status after an epidemic period and the possible teratogenic effect of the infection.
D000906:Antibodies; D000013:Congenital Abnormalities / Q000209:etiology*; D004459:Echovirus 9; D058872:Epidemics; D006801:Humans; D007136:Immunoglobulins; D064793:Teratogenesis
D000906:Antibodies; D007136:Immunoglobulins
ABNORMALITIES/etiology