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Influenza Vaccine Fails to Stop Hospitalization and Death

Large Japanese Study Shows No Benefit on Hard Outcomes

By Peter A. McCullough, MD, MPH | Courageous Discourse | May 12, 2023

Influenza vaccination has become a mainstay in American medicine largely as measure to protect the elderly. However in recent decades the FluShot has been pushed on healthcare workers, the general adult public, and starting in 2017 the CDC ACIP Panel stated: “Routine annual influenza vaccination is recommended for all persons age 6 months and older who do not have a contraindication.” I wondered if the FluShot even did what it was supposed to do originally in the elderly — protect against hospitalization and death. I was disappointed by real world data.

Uemura and coworkers from the Department of Biostatistics & Bioinformatics, Interfaculty Initiative in Information Studies, University of Tokyo, Japan reported on 83,146 individuals who were aged 65 years or older at baseline and were followed up between April 1, 2014 to March 31, 2020.

Uemura K, Ono S, Michihata N, Yamana H, Yasunaga H. Duration of influenza vaccine effectiveness in the elderly in Japan: A retrospective cohort study using large-scale population-based registry data. Vaccine. 2023 May 5;41(19):3092-3098. doi: 10.1016/j.vaccine.2023.03.066. Epub 2023 Apr 10. PMID: 37045684.

The multivariable analysis showed a lower incidence of influenza in vaccinated individuals (hazard ratio [HR], 0.47; 95% confidence interval [CI], 0.43-0.51; P < 0.001), however the incidence of hospitalization for influenza did not differ significantly by vaccination status (HR, 0.79; 95% CI, 0.53-1.18; P = 0.249). Protective effectiveness against incidence waned quickly after 4 or 5 months.

These data suggest the massive effort on vaccination in the general population is a waste of time and effort. If the frail and elderly get no overall direct reduction in hospitalization and death, influenza vaccination should be individualized based on pulmonary and systemic risks.

Uemura K, Ono S, Michihata N, Yamana H, Yasunaga H. Duration of influenza vaccine effectiveness in the elderly in Japan: A retrospective cohort study using large-scale population-based registry data. Vaccine. 2023 May 5;41(19):3092-3098. doi: 10.1016/j.vaccine.2023.03.066. Epub 2023 Apr 10. PMID: 37045684.

May 12, 2023 - Posted by | Science and Pseudo-Science, Timeless or most popular

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