WHO SAYS ONE IN 10 CHILDREN DID NOT GET VACCINATED IN 2016

Prelims level : Science & Technology Mains level : GS-III (Economic Development, Environment, Science and Tech)
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Why in News?

  • Worldwide, 12.9 million infants, nearly 1 in 10, did not receive any vaccinations in 2016, according to the most recent WHO and UNICEF immunization estimates.

Details:

  • It means, critically, that these infants missed the first dose
  • of diphtheria-tetanus-pertussis (DTP)-containing vaccine, putting them at serious risk of these potentially fatal diseases.
  • Additionally, an estimated 6.6 million infants who did receive their first dose of DTP- containing vaccine did not complete the full, three dose DTP immunization series (DTP3) in 2016. Since 2010, the percentage of children who received their full course of routine immunizations has stalled at 86% (116.5 million infants), with no significant changes in any countries or regions during the past year. This falls short of the global immunization coverage target of 90%.
  • These children most likely have also not received any of the other basic health services. If we are to raise the bar on global immunization coverage, health services must reach the unreached. Every contact with the health system must be seen as an opportunity to immunize.” Immunization currently prevents between 2–3 million deaths every year, from diphtheria, tetanus, whooping cough and measles. It is one of the most successful and cost-effective public health interventions

Global immunization coverage levels

  • According to the new data, 130 of the 194 WHO Member States have achieved and sustained at least 90% coverage for DTP3 at the national level – one of the targets set out in the Global Vaccine Action Plan.
  • 4 million of them also live in just three countries – Afghanistan, Nigeria and Pakistan – where access to routine immunization services is critical to achieving and sustaining polio eradication
  • Globally, 85% of children have been vaccinated with the first dose of measles vaccine by their first birthday through routine health services, and 64% with a second dose.
  • Vaccination against both these diseases has the potential to substantially reduce deaths of children under 5 years of age, a target of the Sustainable Development Goals.
  • Many middle-income countries are lagging behind in the introduction of these newer and more expensive vaccines. These countries often do not receive external support and their health budgets are often insufficient to cover the costs of procuring these vaccines

Inequities in immunization coverage

  • National coverage estimates often mask large inequities in coverage within countries. The WHO report, State of inequality: Childhood immunization, highlights inequalities in childhood immunization coverage in low- and middle-income countries over the past 10 years. Efforts to reduce inequalities related to household economic status and mother’s education are needed in many countries if immunization coverage is to be improved. Additionally, more than half of the global population resides in urban areas, including in rapidly growing slums in Africa and Asia. The urban poor is a group at high risk of being un- or under-immunized.
  • For the first time, WHO and UNICEF have collected disaggregated data on immunization coverage at the subnational level. Of 194 reporting countries, 125 reported on subnational coverage, covering nearly 20 000 districts and roughly two–thirds of the global infant population. These data will help shed more light on geographical disparities in access to vaccines.
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