Prevalence of specific antibodies to Chlamydia pneumoniae in children with acute respiratory infections.
We investigated 56 boys and 30 girls between the ages of 1 month and 15 years with acute respiratory infections for antibodies to Chlamydia pneumoniae and Mycoplasma pneumoniae. Antibodies were only occasionally found in children less than 10 years of age (4% of boys (1/23) and 5% of girls (1/19). In the age group 10-12 years, antibodies were detected in 55% of boys (4/9) but not in the 2 girls investigated. In the age group 13-15 years, antibodies were detected in 58% of boys (14/24) and in 33% of girls (3/9). Infection caused by M. pneumoniae was found in 13% of boys in the oldest age group.
Vallhov Outpatient Clinic, Sandviken, Sweden.
I
I
Lund-Olsen
A
A
Lundbäck
J
J
Gnarpe
H
H
Gnarpe
D000208:Acute Disease; D000293:Adolescent; D000907:Antibodies, Bacterial / Q000097:blood*; D002648:Child; D002675:Child, Preschool; D002690:Chlamydia Infections / Q000453:epidemiology / Q000276:immunology* / Q000382:microbiology; D016993:Chlamydophila pneumoniae / Q000276:immunology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009177:Mycoplasma pneumoniae / Q000276:immunology*; D011019:Pneumonia, Mycoplasma / Q000276:immunology*; D015995:Prevalence; D011446:Prospective Studies; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000276:immunology* / Q000382:microbiology; D016036:Seroepidemiologic Studies; D013548:Sweden / Q000453:epidemiology
D000907:Antibodies, Bacterial