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Hem node Measles Vaccination Campaign in Mexico Supported by PAHO and Lions Clubs International Foundation
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Measles Vaccination Campaign in Mexico Supported by PAHO and Lions Clubs International Foundation

Dr. Maria Jesus Sanchez and Gabriela Carbó 16.02.2022
A mother speaking to a health worker about the measles vaccine at a mobile vaccine clinic outside of a supermarket.

In Mexico, vaccination campaigns against measles are deeply embedded in the country’s history, with campaigns starting as early as 1973. Despite immense challenges presented by the ongoing COVID-19 global pandemic, health workers across the country have continued their efforts to reach every child with life-saving immunization to protect against measles.

The vaccination personnel were the most important actors to ensure the vaccination program was a success.

Measles is a highly contagious viral infection of the nose, throat and lungs, which spreads when an infected person breathes, coughs or sneezes. Despite the availability of safe and effective vaccines, measles remains one of the leading causes of death among young children globally. Severe cases are especially common in young children who lack access to basic health services and adequate nutrition. In these settings, measles becomes even deadlier, with 10 percent of cases becoming fatal.

Rubella, or “German measles,” is a viral disease that can be very dangerous for pregnant women and their unborn children. If a pregnant woman is infected with rubella, there is a high risk that the baby could develop congenital rubella syndrome (CRS). CRS can cause miscarriage or serious birth defects, including heart disease, deafness and blindness.

Before the rise of vaccine campaigns, measles killed 12,000 people per year in the Americas alone. Between 1970 and 1979, Latin American countries reported about 220,000 measles cases each year. However, from 1980 to 2015, vaccination campaigns have been able to reduce cases by 95 percent, dramatically lowering the burden of 4.5 million cases to 244,700 in just 35 years.

Although the Americas became the first region to be declared free of rubella and measles in 2015 and 2016 respectively, an increasingly interconnected world poses significant challenges in maintaining the region free of measles and rubella. However, measles and rubella can both be prevented with safe, effective and inexpensive vaccines. Immunization continues to be the best tool to protect against the virus.

From April to September 2021, as part of Mexico’s strategy to preserve the elimination of measles, rubella and CRS, the Ministry of Health, with support and strategic partnership from the Pan American Health Organization (PAHO) and Lions Clubs International Foundation (LCIF), carried out a follow-up vaccination campaign for children aged 1 to 4 years old with a combined measles and rubella (MR) vaccine, a catch-up campaign with the combined mumps, measles and rubella (MMR) vaccine for children from 1 to 9 years old and update of hexavalent vaccine for children from 6 to 59 months of age to close vaccination coverage gaps generated during the COVID-19 pandemic.

Through this collaboration, 12 health professionals were hired to participate in the technical activities of planning, monitoring and evaluating the campaign at the national and state levels, and 25 technicians were hired to evaluate and monitor the cold chain networks in the states. Nearly 92 percent of the region’s children ages 1 to 4 were vaccinated.

The campaign relied on microplanning at the local level, and proven coordination and supervision mechanisms to plan, deliver and evaluate the campaign. Dedicated health personnel planned campaign logistics, including provision of vaccines, supplies, the number and distribution of vaccinators, quality control of materials and implementation strategies while thoughtfully accounting for the implementation of safety measures such as physical distancing to reduce the risk of COVID-19 transmission.

“The vaccination personnel were the most important actors to ensure the vaccination program was a success,” said Karina Antonia de la Vega, Universal Vaccination Area Supervising Nurse with Health Services of the State of Morelos. “We thank the families of the brigade members, the nurses, the operators and the promoters who do an excellent job every day to reach every home.”

The highlands, deserts and mountains that make up Mexico’s topography can make it difficult to reach the most vulnerable children. Additionally, the ongoing COVID-19 pandemic has closed schools and confined eligible children to their homes, posing an added challenge for the vaccination team. The measles and rubella campaign used brigade mobilization strategies to access the hardest-to-reach corners of the country, and house-to-house strategies from the highest hill to the deepest ravine so that every child could be reached.

The COVID-19 pandemic has caused tremendous backsliding in childhood immunizations against measles due to cancelled or postponed vaccination campaigns, leading to new outbreaks across the globe. In 2019, measles infections and deaths rose to the highest levels seen in a quarter century. Given the highly contagious nature of the measles virus, 95 percent of the population needs to be vaccinated to help stop the spread of the disease.

Today, measles anywhere is a risk everywhere. As the COVID-19 pandemic continues, re-prioritizing routine immunization services and catching up on missed vaccinations will be critical for preventing large outbreaks and ensuring children everywhere are protected.

Dr. Maria Jesus Sanchez is an advisor in epidemiology and communicable disease at the Pan American Health Organization in Mexico. Gabriela Carbó is coordinator of the Global Health Team with the UN Foundation.


LCIF joined the Measles and Rubella Initiative in 2010 and has since mobilized more than US$80 million to the fight against measles. Perhaps Lions’ biggest contribution comes in the form of social mobilization as Lions raise awareness about the benefits of immunization and increase turnout during vaccination campaigns. While Lions typically participate in social mobilization efforts to promote vaccination campaigns, the COVID-19 pandemic limited opportunities for hands-on social mobilization activities for the Lions of Mexico. To support Lions and Leos in the fight to control measles, consider donating to LCIF.

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