Note4Students
From UPSC perspective, the following things are important :
Prelims level: DPT3
Mains level: Not Much
Central Idea
- The coverage rate for DPT3 vaccines (diphtheria, pertussis, and tetanus) in India reached an all-time high of 93% in 2022, surpassing the pre-pandemic record of 91% in 2019.
- This significant increase from the 85% coverage in 2021 was reported by the World Health Organization (WHO).
What is DPT3?
- DPT3 vaccines refer to a combination vaccine that provides protection against three infectious diseases: diphtheria, pertussis (whooping cough), and tetanus.
- The “DPT” in DPT3 stands for the initials of these three diseases:
- Diphtheria: It is a bacterial infection that primarily affects the respiratory system. It can cause severe throat and nose congestion, difficulty breathing, and in severe cases, it can lead to heart and nerve damage.
- Pertussis (Whooping Cough): It is a highly contagious respiratory infection caused by the bacterium Bordetella pertussis. It is characterized by severe coughing fits, often accompanied by a “whooping” sound when gasping for breath. Pertussis can be particularly dangerous for infants and young children.
- Tetanus: Also known as lockjaw, is a bacterial infection caused by the bacterium Clostridium tetani. It enters the body through wounds or cuts and produces a toxin that affects the nervous system, leading to muscle stiffness and spasms, particularly in the jaw and neck muscles.
WHO records on immunization
- DPT3 Coverage Recovery: The WHO South-East Asia Region saw the DPT3 coverage recover to pre-pandemic levels of 91% in 2022, a significant increase from 82% in 2021.
- Measles Vaccine Coverage: The region also witnessed a six percent improvement in measles vaccine coverage, rising to 92% in 2022 from 86% in 2021.
- Zero-Dose Children: The number of zero-dose children (those who have not received even the first dose of the DPT vaccine) halved from 4.6 million in 2021 to 2.3 million in 2022.
- Partially Vaccinated Children: The number of partially vaccinated children (those who received at least one dose but not the complete three-dose series) decreased from 1.3 million in 2021 to 650,000 in 2022.
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