THE FOLLOWING cases of congenital toxoplasmosis are presented to illustrate a deviation from the general pattern of signs and symptoms that ordinarily occur in this disease, as well as the fact that the disease was transmitted by the mother to her identical twins.
Toxoplasmosis has been described previously in identical twins by Zuelzer1 in 1944 and by Abbott and Camp2 in 1947. The disease has been reported in binovular twins by Bamatter3 in 1947 and by Farquhar4 in 1950.
REPORT OF CASES
Case 1.—Charles W. M., the first of identical twins, weighing 5 lb., 14 oz. (2,700 gm.), was born by cephalic presentation at term to a healthy primigravida 22-year-old woman on Aug. 11, 1947. The patient and the mother were discharged from the hospital in good condition on the sixth postpartum day. The infant thrived on evaporated-milk formula and routine infant care. When he was