Respiratory disease and Trichomonas vaginalis in premature newborn twins.

In premature newborn twins with respiratory disease, Trichomonas vaginalis infection was diagnosed by chance findings in respiratory samples and was confirmed by polymerase chain reaction of urine and vaginal samples from the boy and girl, respectively. Trichomonas vaginalis should be considered as a possible cause of respiratory disease in newborns and modern molecular detection techniques can help in the diagnosis.