Today (20 July 2022) Dr. Sophon Iamsirithavorn Deputy Director-General, Department of Disease Control said the results of the study on the effectiveness of the COVID-19 vaccine in Chiang Mai by a research team from the Faculty of Public Health Chiang Mai University led by Prof. Dr. Suwat Jariyalertsak together with the Chiang Mai Provincial Public Health Office Continuously conducted since January 2022, AstraZeneca, Pfizer or Moderna vaccination was the 4th booster dose, most of which were cross-formed. The heterologous booster vaccination was effective in preventing infection from omicron strains up to 73%, 71% and 71%, respectively, with this level of efficacy being more than doubled compared to those who received it. Only three doses of the vaccine, the results showed. The 4th booster dose of the COVID-19 vaccine, whether it is an mRNA or virus-led vaccine. It is equally effective in preventing infection with the Omicron strain of COVID-19 in populations aged 18 years and over. Immunization with booster vaccination is therefore extremely important for at-risk populations. especially the 608 group
In addition, the analysis of the data revealed that Three doses of vaccination provide protection against severe symptoms and death from omicron strains by up to 96% in the age group 18-59 and 97% in the age group 60 and over. 60 years and over and 7 risk groups including pregnant women Therefore, it is an important goal for vaccination with as many booster needles as possible. not less than 60% to ensure safety Reduce the risk of serious illness and death. We invite children to bring about 2 million elderly people who have not been vaccinated, as well as those who have received 2 doses of vaccines for more than 4 months but have not been vaccinated. The third dose, get the booster vaccination as soon as possible because these two groups still account for more than half of the COVID-19 deaths today.
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