Who's at Risk for Measles? Understanding Vulnerability Factors
Published: Mar 29, 2024
While anyone can contract measles if exposed, certain groups are at higher risk for infection or complications. Recognizing these risk factors is crucial for prevention and early intervention.
Contents
Unvaccinated Individuals
The most significant risk factor for measles is lack of vaccination. This includes children too young to be vaccinated, adults who never received the vaccine, and those with only one dose instead of the recommended two. In outbreak situations, even vaccinated individuals may be at some risk if exposed to high viral loads.
Compromised Immune Systems
People with weakened immune systems are at higher risk for severe measles and complications. This includes those with HIV/AIDS, cancer patients undergoing chemotherapy, and organ transplant recipients on immunosuppressive drugs. These individuals may not be able to receive the live measles vaccine, making them more vulnerable.

Pregnancy and Infancy
Pregnant women who contract measles are at risk for severe complications, including miscarriage and preterm birth. Infants born to mothers who had measles during pregnancy may have congenital measles. Additionally, infants too young for vaccination are at high risk if exposed.
Frequently Asked Questions
It's extremely rare. Natural infection usually confers lifelong immunity.
Yes, especially when visiting countries with ongoing outbreaks.
Yes, it can lead to more severe measles and higher complication rates.
Protecting the Vulnerable
Understanding measles risk factors helps target prevention efforts and protect those most susceptible.
References
- Centers for Disease Control and Prevention. Measles (Rubeola) For Healthcare Providers. https://www.cdc.gov/measles/hcp/index.html
- World Health Organization. Measles. https://www.who.int/news-room/fact-sheets/detail/measles
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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