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Учитывая, что аналогичная картина имела место и в предыдущие годы, в Украине произошло накопление среди детского населения слоя восприимчивых к полиомиелиту. Кроме того, начиная с апреля 2016 г., оральная (живая) полиомиелитная вакцина (ОПВ), которая в Украине используется, начиная с 3-й прививки , не содержит полиовирус типа 2 (двухкомпонентная ОПВ, которая теперь применяется в мире, содержит только полиовирусы). тип ов1 и 3). Указанное также способствует снижению как индивидуального, так и популяционного иммунитета к полиовирусу типа 2. Следствием стала вспышка полиомиелита, вызванная вакцинородственным полиовирусом типа 2 (вирусом вакцинного происхождения, что в процессе циркуляции в низко иммунной популяции приобрел свойства нейровирулент .). На эту вспышку не было адекватного реагирования, а именно проведение дополнительных туров вакцинации детей в возрасте до 6 лет, чтобы прекратить циркуляцию вакцинородственного вируса. В январе 2022 г. возникла новая вспышка.
So, at the population level, health is a multifactorial phenomenon that includes both an objective and a subjective component. Considering that low self-esteem of health is a factor influencing its formation in young people, their choice of risky behavior, propensity for bad habits and psychological disorders, it is important to take into account the subjective component of health in adolescents and young people. the purpose of early detection of certain deviations in self-esteem or the impact on the formation of health of adverse factors, the effect of which can be minimized.
Considering that a similar picture took place in previous years, in Ukraine there was an accumulation of a layer susceptible to poliomyelitis among the child population. In addition, since April 2016, the oral (live) polio vaccine (OPV), which is used in Ukraine, since the 3rd vaccination, does not contain type 2 poliovirus (two-component OPV, which is now used worldwide, contains only polioviruses). ). type ov1 and 3). This also contributes to a decrease in both individual and population immunity to type 2 poliovirus. The result was an outbreak of poliomyelitis caused by vaccine-derived type 2 poliovirus (a vaccine-derived virus that acquired neurovirulent properties during circulation in a low immune population.). There was no adequate response to this outbreak, namely additional vaccination rounds for children under 6 years of age to stop the circulation of the vaccine-related virus. In January 2022, a new outbreak emerged.
Responding to such epidemic challenges is very difficult both organizationally and financially. The result is evaluated over time with well-organized epidemiological surveillance. According to the approved polio outbreak response plan, which arose in early October 2021, it was only possible to start the 1st round of the campaign on February 1, 2022. It was supposed to last 3 weeks and was aimed at vaccinating 140,000 children from 6 months of age with IPV. up to 6 years who missed vaccination according to the Calendar. Almost by the end of the 3rd week of the 1st round, as of February 18, 2022, only 28% of the planned number of children were vaccinated. Therefore, we decided to extend the 1st round for an additional 2 weeks, which again was not performed due to the outbreak of war. Thus, there was no actual response to polio outbreaks.
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