serologic profile of children in a mexican highland community: prevalence of complement-fixing antibodies to mycoplasma pneumoniae, respiratory syncytial virus and parainfluenza viruses. | the study investigated the prevalence of antibodies to five leading agents of childhood respiratory disease in the county of huixquilucan, mexico. tests of sera from a random sample of children between 3 months and 18 years of age confirmed serologically the presence of mycoplasma pneumoniae, respiratory syncytial (rs) virus and parainfluenza 1, 2 and 3 viruses in this relatively isolated highland community. highest overall antibody frequency of 64.2% was seen for parainfluenza 3, and antibody t ... | 1975 | 165720 |