10 States Affected: Authorities Urge Caution
- MEXICO CITY (AP) — Mexico is experiencing a concerning resurgence of measles, wiht 789 confirmed cases reported in the first quarter of the year, according to the nation's...
- Children between the ages of one and four are disproportionately affected, accounting for nearly 14% of the reported cases.
- A key factor contributing to the outbreak is the country's suboptimal vaccination coverage.
Measles Cases Surge in Mexico, Sparking vaccination Push

MEXICO CITY (AP) — Mexico is experiencing a concerning resurgence of measles, wiht 789 confirmed cases reported in the first quarter of the year, according to the nation’s Epidemiological Surveillance System. The outbreak has triggered a public health response, with authorities emphasizing the critical need for increased vaccination rates to curb the disease’s spread.
Children between the ages of one and four are disproportionately affected, accounting for nearly 14% of the reported cases. Health officials have identified the B3 and D8 genotypes of the measles virus as the primary strains circulating, both of which are known to cause significant outbreaks in under-vaccinated populations.
A key factor contributing to the outbreak is the country’s suboptimal vaccination coverage. The 2022 national Health and Nutrition Survey (Ensenut) revealed that only 70% of the population has been vaccinated against measles. This falls short of the 95% threshold required to achieve herd immunity, leaving the population vulnerable. The COVID-19 pandemic further strained immunization efforts, diverting resources and disrupting routine healthcare services.

The state of Chihuahua is the epicenter of the outbreak. Within chihuahua, the municipalities with the highest number of cases are:
- Cuauhtémoc: 398 cases
- Chihuahua (capital): 134 cases
- Riva Palace: 47 cases
- Smoked: 37 cases
- Namiquipa: 31 cases
- Ojinaga: 22 cases
- Other municipalities in Chihuahua: Approximately 92 cases
Other states reporting cases include Sonora (8), Campeche (4), Oaxaca (4), Zacatecas (4), Durango (3), Tamaulipas (2), Querétaro (1), Sinaloa (1), and Yucatan (1).
According to pediatric infectologist Martha Aviles Robles, a significant number of cases are concentrated within communities where religious beliefs discourage vaccination. “The cases are well-documented and localized within a population that, due to religious convictions, chooses not to vaccinate,” Robles stated. “Chihuahua is currently the primary focus of the outbreak.”
In response to the escalating situation, health authorities have intensified the national measles vaccination program. David Kershenobich, a senior health official, assured the public that the country’s health system possesses an adequate supply of vaccines to meet the nationwide demand.
Health officials reccommend two doses of the measles, mumps, and rubella (MMR) vaccine for children aged 1 to 9. Individuals between 11 and 39 are advised to receive a booster dose of the measles and rubella (MR) vaccine. Healthcare workers aged 20 to 39 who may be exposed to measles cases should also receive a booster. Individuals over 40 are generally considered immune and do not require vaccination.

The Ministry of Health has issued an epidemiological alert,urging parents to vaccinate their children and complete all recommended vaccination schedules.Vaccines against measles,rubella,and mumps are available at health centers throughout the country for children aged 1 to 9. Adolescents aged 10 to 19 who have not previously received the vaccine are also eligible.
Public health experts caution that failure to increase vaccination coverage could lead to a widespread measles epidemic. The current situation underscores the importance of maintaining high immunization rates to prevent the re-emergence of diseases that were once considered under control.
the medical community and health authorities are making an urgent appeal to the public to visit health centers and get vaccinated, protecting vulnerable populations and preventing further spread of measles throughout Mexico.
Measles Cases Surge in Mexico: Your Essential Q&A Guide

the recent surge in measles cases in Mexico is a concerning public health issue. Understanding the disease, the outbreak, and, moast importantly, how to protect yourself and your family is crucial. LetS dive into the details with this complete Q&A guide.
What’s the Current Situation with measles in Mexico?
Mexico is currently experiencing a significant increase in measles cases. According to the nation’s epidemiological Surveillance System, nearly 800 confirmed cases were reported in the first quarter of the year. Health authorities are actively working to contain the outbreak and increase vaccination rates to prevent further spread.
What are the Main Symptoms of Measles?
The initial symptoms of measles often include a high fever, cough, runny nose (coryza), and red, watery eyes (conjunctivitis). A characteristic rash then typically erupts, starting on the face and spreading down the body. This rash consists of flat, red spots that can merge together.
Who is Most Affected by the Measles Outbreak in Mexico?
Children between the ages of one and four are disproportionately affected, accounting for a significant portion of the reported cases. This highlights the importance of ensuring children in this age group are fully vaccinated.
What Strains of Measles Virus are Circulating?
Health officials have identified the B3 and D8 genotypes of the measles virus as the primary strains circulating during this outbreak. Both strains are known to cause significant outbreaks in populations with low vaccination coverage.
Why is Measles Spreading in mexico? What Factors are Contributing?
Several factors are contributing to the resurgence of measles:
- Suboptimal Vaccination Coverage: Only around 70% of the population has received the measles vaccine, which is below the 95% threshold needed for herd immunity. Herd immunity protects even those who cannot be vaccinated (e.g., infants or those with certain health conditions).
- Impact of COVID-19 Pandemic: The pandemic diverted resources from routine healthcare services, including immunization programs, and also disrupted regular check-ups.
- Communities with Religious Beliefs Against Vaccination: Significant numbers of cases are concentrated in communities where religious beliefs discourage vaccination.
Where is the Measles Outbreak most Concentrated in Mexico?
The state of Chihuahua is the epicenter of the outbreak. Several municipalities within Chihuahua account for the majority of cases. Other states that also have confirmed case include Sonora, Campeche, Oaxaca, Zacatecas, Durango,Tamaulipas, querétaro, Sinaloa, and Yucatan.
What are the Key Municipalities in Chihuahua with the Highest Number of Measles Cases?
- Cuauhtémoc: 398 cases
- Chihuahua (capital): 134 cases
- Riva Palace: 47 cases
- smoked: 37 cases
- Namiquipa: 31 cases
- Ojinaga: 22 cases
- Other municipalities in Chihuahua: Approximately 92 cases
What is Herd Immunity and Why is it Important?
Herd immunity occurs when a sufficiently large proportion of a population is immune to a disease,either through vaccination or prior infection. This protects those who are not immune (e.g., infants, immunocompromised individuals) by making it difficult for the disease to spread. For measles, herd immunity requires around 95% vaccination coverage.
What Should You Do if You Suspect Measles?
If you or your child exhibits symptoms of measles, it’s crucial to seek medical attention instantly. Contact your healthcare provider to schedule an appointment, and inform them about your concerns to prevent possible transmission to other patients in the clinic. If the child is showing indications of serious complications like pneumonia, encephalitis, or severe diarrhoea, take him or her immediately to the closest hospital.
What Vaccines are Recommended in Mexico to Combat Measles?
The primary recommended vaccine is the MMR (measles, mumps, and rubella) vaccine. For children aged 1 to 9, two doses are recommended. Individuals between 11 and 39 are advised to receive a booster dose of the measles and rubella (MR) vaccine. Healthcare workers aged 20 to 39 are further advised a booster.

Where Can I Get Vaccinated in Mexico?
Vaccines against measles, rubella, and mumps are available at health centers throughout Mexico. These services are generally free or very low-cost, especially through public healthcare facilities.
Are There Enough Measles Vaccines available in Mexico?
Yes. David Kershenobich, a senior health official, has assured the public that the country’s health system has an adequate supply of vaccines to meet the current demand. In response to the escalating situation, health authorities have intensified the national measles vaccination program.
Who is Considered Immune to Measles and Doesn’t Need Vaccination?
Individuals over 40 years of age are often considered immune and generally do not require further vaccination. However, this doesn’t apply for healthcare workers that are exposed.
What Are the Potential Complications of Measles?
While often associated with a rash, measles can lead to serious complications, including:
- Pneumonia (lung infection)
- Encephalitis (brain swelling)
- Diarrhea
- Ear infections, which can lead to permanent hearing loss
- In rare, but very serious, cases, Subacute Sclerosing Panencephalitis (SSPE), a progressive and fatal neurological disorder that can develop years after the measles infection.
How Can I Protect Myself and My Family From Measles?
the most effective way to protect yourself and your family is through vaccination. Ensure that you and your children are up-to-date on the recommended MMR vaccination schedule. Also, consider:
- Good Hygiene: Wash hands frequently with soap and water.
- Avoid Contact: Limit contact with individuals who have measles or those showing symptoms.
- vaccination: Get vaccinated if unvaccinated or if uncertain of vaccination status. Talk to your doctor!.
Why Are High Vaccination Rates So Important?
High vaccination rates are essential for achieving herd immunity, which helps protect vulnerable populations who cannot be vaccinated. Maintaining high immunization rates is critical to prevent the re-emergence of diseases like measles and control future outbreaks.

What is Mexico’s Ministry of Health Doing to Address the Outbreak?
The Ministry of Health has issued an epidemiological alert, urging parents to vaccinate their children and complete all recommended vaccination schedules. In addition, health authorities have intensified the national measles vaccination program, ensuring vaccine availability. They are also communicating the importance of vaccination to the public throughout the country.
What Role Does the medical community Play in Combating the Measles Outbreak?
The medical community is at the forefront of the response. They are diagnosing and treating cases, educating the public about the importance of vaccination, and working to increase vaccination rates. They’re working closely with health authorities to implement effective public health strategies.
Where Can I Find More Data About Measles and Vaccination in Mexico?
You can consult your family doctor. You can also consult the official sources, such as the Ministry of Health of Mexico website, and reputable international health organizations like the World Health Association (WHO) and the CDC.
This article is for informational purposes only and does not constitute medical advice. Always consult with your healthcare provider for any health concerns.
