Measles Resurgence: What You Need to Know

Measles, a highly contagious viral disease once considered eliminated in the Americas, is once again a growing public health concern. Confirmed cases have increased in recent years, with a concerning trend continuing into 2026. In Colombia, health authorities are monitoring a potential imported case, prompting questions about the current dynamics of the disease and the factors driving its resurgence.

Understanding the Current Situation

The global rise in measles cases is largely attributed to persistent gaps in vaccination coverage . These gaps have accumulated over recent years, leaving populations vulnerable to infection. From January 2017 to September 1, 2019, nearly 500 confirmed measles cases were reported in Colombia, many linked to unvaccinated populations migrating from Venezuela .

Colombia’s Response and Status

The Colombian Ministry of Health has demonstrated a proactive response to measles outbreaks. This includes rapid identification of contacts, investigation of surrounding communities, and targeted vaccination efforts, particularly among vulnerable populations such as Venezuelan migrants . Colombia maintained its measles elimination status as of November 2022 .

Symptoms and Prevention

Measles symptoms typically appear 10-14 days after exposure and include:

• High fever
• Cough
• Runny nose
• Rash (typically starting on the face and spreading to the rest of the body)
• Red, watery eyes

The most effective way to prevent measles is through vaccination with the measles-mumps-rubella (MMR) vaccine . The CDC recommends that all international travelers be fully vaccinated against measles.

Travel Considerations

As of February 17, 2026, dengue fever is also a year-round risk in many parts of Colombia, requiring travelers to take precautions against mosquito bites . There is an increased risk of yellow fever in Colombia .

What to Do If You Suspect Measles

If you suspect you have measles, it is crucial to seek medical attention immediately . You will be evaluated by health personnel and tested for the virus. Always have your updated vaccination card available to present to healthcare providers .

Key Takeaways

• Measles cases are rising globally due to declining vaccination rates.
• Colombia has been proactive in responding to measles outbreaks through vaccination and contact tracing.
• Vaccination with the MMR vaccine is the most effective way to prevent measles.
• Travelers to Colombia should be up-to-date on their measles vaccination and aware of the risks of dengue and yellow fever.