Social & Preventive Medicine 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 💡 Explanation If a mother has had measles, her newborn baby is immune to this disease for - ✓ Correct Answer: A. 4 to 6 month