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March 27 @ 7:00 am - 11:30 pm


The COVID-19 pandemic has significantly disrupted global immunization efforts, leading to concerns about increased disease burden and outbreak risks.

A recent study published in The Lancet Global Health titled “Estimating the Health Effects of COVID-19-Related Immunization Disruptions in 112 Countries During 2020–30: A Modelling Study” sheds light on these challenges and provides recommendations for mitigating their impact.

Key Highlights of the Report:

Global Immunisation Decline:

  • The pandemic caused a decline in global immunization coverage, potentially resulting in increased disease burden and outbreak risks.
  • Disruptions to vaccination programs for diseases such as Measles, Rubella, HPV, Hepatitis B, meningitis A, and yellow fever could lead to approximately 49,119 additional deaths from 2020 to 2030.
  • Overall, disruptions in vaccination coverage across 14 pathogens may result in a 2.66% reduction in the long-term effect, translating to fewer deaths averted.

Importance of Catch-Up Vaccines:

  • Catch-up vaccination activities are crucial, especially for diseases like measles and yellow fever, which experienced an immediate increase in burden post-pandemic.
  • These activities have the potential to prevent approximately 79% of excess deaths related to certain diseases.

Impact on DTP Vaccine Coverage:

  • The pandemic affected coverage for Diphtheria, Tetanus, and Pertussis (DTP) vaccines, leading to an additional 6 million children missing out on vaccination globally in 2021.

Resurgence of Measles Cases:

  • Several countries reported a resurgence of measles cases, including those where measles was previously eradicated.
  • In 2021, around 61 million measles vaccine doses were postponed or missed due to COVID-19-related delays.
  • There was an increase in measles cases and deaths globally in 2022 compared to 2021, with millions of children missing vaccine doses, particularly in countries like Nigeria, Pakistan, and India.


  • Implementing catch-up vaccination activities could potentially avert 78.9% of excess deaths between 2023 and 2030.
  • Timely and targeted implementation of catch-up vaccination activities tailored to specific cohorts and regions is crucial.
  • Continued immunization efforts, especially for vaccines like HPV, are essential for long-term public health benefits.

Major Initiatives Related to Immunisation:


  • Immunisation Agenda 2030 (IA2030): A global vision and strategy aiming to reduce by 50% the number of children receiving zero vaccine doses, achieve 500 introductions of new or under-utilised vaccines, and attain 90% coverage for essential childhood vaccines by 2030.
  • World Immunisation Week: Celebrated annually in the last week of April to raise awareness about the importance of immunization.
  • Big Catch-Up Initiative: Launched by organizations like WHO, UNICEF, and the Bill & Melinda Gates Foundation to boost vaccination among children following declines driven by the COVID-19 pandemic.


  • Universal Immunization Programme (UIP): Provides free immunization against 12 vaccine-preventable diseases nationally and three diseases sub-nationally, including milestones such as polio eradication in 2014 and elimination of maternal and neonatal tetanus in 2015.
  • Mission Indradhanush: Launched in 2014 by the Ministry of Health and Family Welfare to vaccinate all unvaccinated and partially vaccinated children under the UIP, implemented in several phases.


March 27
7:00 am - 11:30 pm
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