Measles can occur in any age group, although it is more common in childhood. The risk of contracting the disease significantly increases in the following situations: Being Unvaccinated: Individuals who have not received the measles vaccine carry the highest risk of contracting the disease. International Travel: Traveling to regions where measles cases are prevalent significantly increases the likelihood of infection. Vitamin A Deficiency: Insufficient intake of Vitamin A can worsen the course of the disease and increase the risk of complications.