If a mother has had measles, her newborn baby is immune to this disease for -: (A) 4 to 6 month, (B) 6 to 12 months, (C) 1 to 3 years, (D) 3 to 6 years
Answer is A. Infants are protected from measles by maternal antibodies up to 6 months pf age. Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 147