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Pharma Tech Outlook | Wednesday, August 03, 2022
Since the start of the COVID-19 pandemic, which has lasted for almost 30 years, the rate of childhood immunization around the world has decreased the most.
FREMONT, CA: The global childhood immunization rate has been reduced significantly since the COVID-19 pandemic began, which is the largest decline in immunization in the last 30 years.
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The percentage of children who received three doses of diphtheria, tetanus, and viral diseases (DTP3) vaccine between 2019 and 2021 reduced by five percentage points to 81 per cent globally "Childhood Immunizations Decline", according to data gathered by the World Health Organization (WHO) and the United Nations children's charity UNICEF. DTP3 is regarded as a measure of vaccine coverage; if kids skip these shots, they probably won't receive other important immunizations for a variety of diseases.
25 million kids failed to receive their recommended doses of vaccines in 2021, which allowed outbreaks of diseases like measles to occur. The WHO said that if this declining trend continues, it expects to witness more cases, outbreaks, and fatalities from diseases which are perfectly preventable. The global immunization rate remained constant between 2011 and 2019 at 85 per cent. During the pandemic in 2020 and 2021, that rate drastically decreased, especially in low-and middle-income countries; the majority of the 18 million children who did not receive even one dose of DTP in 2021 resided in India, Nigeria, Indonesia, Ethiopia, and the Philippines.
Only a tiny amount of vaccine coverage decline was observed in higher-income nations, from 95 per cent in 2019 to 94 per cent in 2021. A representative for the WHO noted that even a slight decline in vaccine coverage paired with an increase in the number of vaccine-preventable illness cases worldwide can open the door for outbreaks to develop anywhere.
The world's efforts to reach the global immunization targets, which include reducing the proportion of children who have not had any routine vaccines by 50 per cent by 2030, have been hampered by the decline in vaccine coverage. In 2021, 5 million more children skipped their first dose of measles than in 2019, or approximately 25 million, according to the WHO. Nearly 50,000 cases of measles were recorded globally between January and April 2022, which is more than twice as many instances as were reported in the first four months of 2021. An alarming decline in the proportion of girls receiving the human papillomavirus vaccine, a pathogen that can later result in cervical cancer, was also witnessed.
WHO claims that the pandemic–which caused supply chain disruption, resource redistribution, and lockdowns that reduced immunization services–is partly to blame for the decline in kid vaccines. The funding provided by some governments for routine vaccinations has dropped as a result of economic difficulties. Other elements have also contributed, such as the increase in the number of communities devastated by armed conflict or natural disasters. There is hope that vaccination efforts can resume. Catch-up immunization initiatives are being carried out in numerous nations. For instance, India has increased the scope of its Indradhanush mission, which aims to ensure that pregnant women and children who are unvaccinated or just partially immunized receive routine immunization services.
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