Frequency and severity of pneumococcal infections. Prevalence in the community population of the city of Tourcoing.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D005602:France; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D011018:Pneumonia, Pneumococcal / Q000453:epidemiology* / Q000382:microbiology / Q000401:mortality; D012141:Respiratory Tract Infections / Q000382:microbiology; D013296:Streptococcus pneumoniae / Q000302:isolation & purification; D013997:Time Factors