Nearly 40 million children are dangerously susceptible to rising measles threat: WHO | The Financial Express

Nearly 40 million children are dangerously susceptible to rising measles threat: WHO

According to WHO, since 2016, ten countries that had previously eliminated measles experienced outbreaks and reestablished transmission.

Nearly 40 million children are dangerously susceptible to rising measles threat: WHO
Measles can lead to complications such as encephalitis (swelling in the brain), blindness, and pneumonia. (Image: IE)

The World Health Organization (WHO) and the United States Centers for Disease Control and Prevention (CDC) on Wednesday announced that measles vaccination coverage has steadily declined since the beginning of the COVID-19 pandemic.

According to the joint publication by the WHO and CDA, 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.

This decline is a significant setback in global progress toward achieving and maintaining measles elimination and leaves millions of children susceptible to infection.

Last year, 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. Getting immunization programmes back on track is absolutely critical. Behind every statistic in this report is a child at risk of a preventable disease,” said WHO Director-General Dr. Tedros Adhanom Ghebreyesus in a statement.

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,” the organisations said.

According to WHO, since 2016, ten 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. 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,” said CDC Director Dr Rochelle P. Walensky in a statement.

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, the health bodies stated.

“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,” WHO-CDC report highlighted on Wednesday.

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First published on: 24-11-2022 at 12:38 IST