Today (7 April 65) Lt. Gen. Anuttara Chittinan, President of the Royal College of Physicians of Thailand Revealed through the Royal College of Physicians page that on April 5, 65, a report published in the New England Journal of Medicine was a real-world study from Israel of 1,252,331 people who Aged 60 years or older and eligible for a fourth dose of Pfizer vaccine (4 months after the third dose) during the Omicron strain outbreak (10 Jan. – 2 Mar. 65) found. that
rate of covid-19 The confirmed confirmed cases per 100,000 (person-day) were 177 in the four-dose group, 361 in the three-dose group and 388 in the internal control group. (Fourth dose 3-7 days) When analyzed, adjusted for factors, the incidence of COVID-19 at week 4 after 4 doses was 2 times lower than in those who received 3 doses. and 1.8 times lower than the internal control group. However, this protection declined a week later.
The rate of severe COVID-19 cases per 100,000 (person-day) was 1.5 in the 4th dose group and 3.9 in the 3rd dose group and 4.2 in the internal control group. When analyzing, adjust for various factors. found that the incidence of COVID-19 Prevention of severe illness was not reduced at week 4 following the four doses, 3.5 times lower than in the triple dose group and 2.3 times lower than in the internal control group. Get the 4th vaccination
In conclusion, the rate of COVID-19 And severe COVID-19 cases were lower after four doses of the Pfizer vaccine compared to just three. Protection against confirmed infections decreased over time. while preventing covid-19 The severity did not decrease during the study period.
Dr Nutt said the Israeli vaccine Pfizer was the only mRNA vaccine. which is different from our home that uses a variety of vaccines But enough to be used as information to support the use of vaccines in our home The study also shows that receiving the fourth dose more than four months after the third dose may not reduce infection significantly. But it significantly reduced the severity of the disease in people over 60 years of age.
In addition, 5 professional organizations asked to support the general public. especially the elderly and those with congenital diseases receive booster vaccination As there is currently no vaccine for COVID-19. A new generation that is effective against omikron strains. still under research Therefore, uncertainty should not be waited. will cause bad immunity to the body become immune to the virus