title: Spread of echovirus type 18 infections within families.
mesh_terms: D000293:Adolescent; D000328:Adult; D000906:Antibodies / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D004457:Echovirus Infections / Q000134:cerebrospinal fluid / Q000235:genetics* / Q000276:immunology / Q000382:microbiology; D029822:Enterovirus B, Human / Q000302:isolation & purification; D005076:Exanthema; D005243:Feces / Q000382:microbiology; D005260:Female; D005334:Fever; D006261:Headache; D006801:Humans; D007223:Infant; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D013548:Sweden
chemical_list: D000906:Antibodies