Serological evidence of congenital toxoplasmosis was demonstrated in the cord blood of newborns in Trinidad. The health risk to these children cannot be ignored.

In a serological study on 123 patients with pneumonia, 39 (31.7%) and 2 (1.6%) were positive for L pneumophila IgM/G/A and IgM only respectively. Seroprevalence was not significantly (p > 0.05; χ2) affected by hospitals, gender, ethnicity and co-morbidities.