In response to the rising number of measles cases among young children at a Pilsen migrant shelter in Chicago, health officials have announced a new policy for residents. Under the new policy, preschool children aged 1 to 5 should receive a second dose of the measles vaccine 28 days after their first shot. This decision was made to provide additional protection to young children until their immunity is fully developed and prevent the spread of the virus to individuals who have not had a second dose of the vaccine.
The Centers for Disease Control and Prevention (CDC) has been working with the city to respond to the measles infections and ensure that appropriate measures are taken to prevent further spread of the virus. CDPH commissioner Olusimbo Ige highlighted the importance of the second dose of the MMR vaccine for children, particularly those under 5 who are at higher risk of contracting measles despite receiving one dose. The new policy applies to all children aged 1 to 5 at the shelter, and families are urged to keep these children at home until 21 days after the second dose of the vaccine or 21 days after last exposure if they cannot be vaccinated. Approximately 50 children at
