A study by the UK Health and Safety Executive that analyzed more than 10 million coronavirus patients found that vaccination significantly reduced the risk of death, with the most significant benefit seen within six months of vaccination. Became. The results of this study support the success of vaccination programs and the need for booster vaccinations. Journal of the Royal Society of Medicine. Credit: SciTechDaily.com
According to a study by the UK Health and Safety Executive, COVID-19 (new coronavirus infection) Vaccination significantly reduces the risk of death, especially within 6 months after vaccination, highlighting the importance of booster vaccination.
The risk of dying from COVID-19 is significantly reduced after vaccination, but this protection wears off after six months, providing evidence to continue giving booster shots, a new study has found.
Researchers from the UK Health and Safety Agency (UKHSA) analyzed more than 10 million coronavirus infections in adults between May 2020 and February 2022. The result is Journal of the Royal Society of Medicine (JRSM).
Vaccination and mortality reduction
Cross-referencing vaccination status with case fatality risk (CFR), the proportion of cases that result in death, revealed a clear association between vaccination and lower mortality rates. Of note, this study highlights a critical period (within 6 months of last vaccination) in which CFR was consistently lowest across all age groups. After this time, the protective effect started to decrease and the CFR increased.
Noteworthy findings in the elderly
The study highlights that the COVID-19 vaccination program has been successful in reducing mortality rates.
Among adults aged 50 years and older, CFR was 10 times higher among those who had not been vaccinated (6.3%) compared with those who had received the vaccine within 6 months of testing positive (0.6%). The study also found a sharp decline in CFR in early 2021, coinciding with the initial vaccine rollout.
Florence Halford, from UKHSA’s Covid-19 Vaccines and Epidemiology Unit, said: ‘The risk of dying from Covid-19 is reduced after vaccination, and those vaccinated up to six months before the sample collection date. This was the lowest of all age groups.” This provides some evidence for the continuation of booster doses in the elderly group. ”
Reference: “Temporal changes in the risk of adult mortality from COVID-19 after vaccination in the UK from May 2020 to February 2022: a national surveillance study” Florence Halford, Kathryn Yates, Tom Clare , by Jamie Lopez Bernal, Megan Karl, and Hester Allen, December 13, 2023, Journal of the Royal Society of Medicine.
DOI: 10.1177/01410768231216332
Source: scitechdaily.com
