Africa: Nearly 40 Million Children Are Dangerously Susceptible to Growing Measles Threat

Measles vaccination coverage has steadily declined since the beginning of the COVID-19 pandemic. In 2021, a record high of nearly 40 million children missed a measles vaccine dose: 25 million children missed their first dose and an additional 14.7 million children missed their second dose, a joint publication by the World Health Organization (WHO) and the United States Centers for Disease Control and Prevention (CDC) reports. This decline is a significant setback in global progress towards achieving and maintaining measles elimination and leaves millions of children susceptible to infection.

In 2021, there were an estimated 9 million cases and 128 000 deaths from measles worldwide. Twenty-two countries experienced large and disruptive outbreaks. Declines in vaccine coverage, weakened measles surveillance, and continued interruptions and delays in immunization activities due to COVID-19, as well as persistent large outbreaks in 2022, mean that measles is an imminent threat in every region of the world.

“The paradox of the pandemic is that while vaccines against COVID-19 were developed in record time and deployed in the largest vaccination campaign in history, routine immunization programmes were badly disrupted, and millions of kids missed out on life-saving vaccinations against deadly diseases like measles,” said WHO Director-General Dr Tedros Adhanom Ghebreyesus. “Getting immunization programmes back on track is absolutely critical. Behind every statistic in this report is a child at risk of a preventable disease.”

The situation is grave: measles is one of the most contagious human viruses but is almost entirely preventable through vaccination. Coverage of 95% or greater of 2 doses of measles-containing vaccine is needed to create herd immunity in order to protect communities and achieve and maintain measles elimination. The world is well under that, with only 81% of children receiving their first measles-containing vaccine dose, and only 71% of children receiving their second measles-containing vaccine dose. These are the lowest global coverage rates of the first dose of measles vaccination since 2008, although coverage varies by country.

Urgent global action needed

Measles anywhere is a threat everywhere, as the virus can quickly spread to multiple communities and across international borders. No WHO region has achieved and sustained measles elimination. Since 2016, 10 countries that had previously eliminated measles experienced outbreaks and reestablished transmission.

“The record number of children under-immunized and susceptible to measles shows the profound damage immunization systems have sustained during the COVID-19 pandemic,” said CDC Director Dr. Rochelle P. Walensky. “Measles outbreaks illustrate weaknesses in immunization programs, but public health officials can use outbreak response to identify communities at risk, understand causes of under-vaccination, and help deliver locally tailored solutions to ensure vaccinations are available to all.”

In 2021, nearly 61 million measles vaccine doses were postponed or missed due to COVID-19-related delays in immunization campaigns in 18 countries. Delays increase the risk of measles outbreaks, so the time for public health officials to accelerate vaccination efforts and strengthen surveillance is now. CDC and WHO urge coordinated and collaborative action from all partners at global, regional, national, and local levels to prioritize efforts to find and immunize all unprotected children, including those who were missed during the last two years.

Measles outbreaks illustrate weaknesses in immunization programs and other essential health services. To mitigate risk of outbreaks, countries and global stakeholders must invest in robust surveillance systems. Under the Immunization Agenda 2030 global immunization strategy, global immunization partners remain committed to supporting investments in strengthening surveillance as a means to detect outbreaks quickly, respond with urgency, and immunize all children who are not yet protected from vaccine-preventable diseases.

More information on measles

For more information on CDC’s global measles vaccination efforts, visit here.

For more information on WHO’s measles response and support, visit here.

Quotes from our partners

“Since 2001 the American Red Cross has mobilized volunteers in 47 countries around the world to reach vulnerable communities with lifesaving vaccines. The global COVID-19 pandemic has reinforced just how critical vaccines are to preventing the spread of deadly diseases. We and our partners in the global Red Cross Movement are committed to averting needless deaths. It is imperative we work together to close existing immunity gaps and ensure that no one suffers from vaccine preventable diseases.” Gail McGovern, President and CEO of the American Red Cross.

“The significant decline in measles coverage is alarming. Gavi is supporting lower-income countries to get routine immunization programmes back on track, and continues to fund global outbreak response through the MR&I’s Outbreak Response Fund. As an Alliance we are also pushing further, with targeted efforts to reach zero dose children and communities that consistently miss out on immunization and other essential services. This is fundamental to reducing outbreaks and keeping health systems strong and resilient in the face of other threats.”Dr. Seth Berkley, Gavi CEO.

“Plummeting measles vaccination rates should set off every alarm. Tens of millions of children are at risk of this deadly, yet entirely preventable disease until we get global vaccination efforts back on track. There is no time to waste. We must work urgently to ensure life-saving vaccines reach every last child.” Elizabeth Cousens, President and CEO, United Nations Foundation

“For three years, we have been sounding the alarm about the declining rates of vaccination and the increasing risk to children’s health globally. Widening gaps in immunization coverage are letting measles – the most contagious yet vaccine-preventable killer disease – spread and cause illness and death. We have a short window of opportunity to urgently make up for lost ground in measles vaccination and protect every child. The time for decisive action is now.” Ephrem Tekle Lemango, UNICEF Chief of Immunization.

U.S. Department of Health & Human Services

CDC works 24/7 protecting America’s health, safety and security. Whether disease start at home or abroad, are curable or preventable, chronic or acute, or from human activity or deliberate attack, CDC responds to America’s most pressing health threats. CDC is headquartered in Atlanta and has experts located throughout the United States and the world.

World Health Organization

Dedicated to the well-being of all people and guided by science, the World Health Organization leads and champions global efforts to give everyone, everywhere an equal chance at a safe and healthy life. Our mission is to promote health, keep the world safe and serve the vulnerable.

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