Cytomegalovirus in Human Milk

Abstract
KNOWLEDGE of the usual modes of transmission of cytomegalovirus (CMV) infection is incomplete.1 The possibility of viral transmission from infected cervical secretions to infants at the time of delivery has attracted interest.1 2 3 The present study indicates that breast milk is another potentially important source of CMV infection.Materials and MethodsDuring a current study of CMV in pregnancy, 669 of 1029 women (65 per cent) from Social Classes III, IV and V4 had serum CMV complement-fixing antibody (CFA) titers of 1:4 or higher. Viruria was detected in 23 of 481 seropositive women (4.8 per cent) whose urine was tested on . . .