Vitamin A doesn’t cure or prevent measles; vaccine is most effective prevention
Vitamin A deficiency increases the risk of measles complications in children. Therefore vitamin A supplementation is recommended as part of measles treatment to mitigate this risk. However, vitamin A doesn’t cure measles or prevent someone from getting measles. Measles infection is associated with an increased risk of disability and death. The most effective way to prevent measles and its associated complications is to get vaccinated.