WE Online, Jakarta –
Recently released regarding the effectiveness of the vaccine Pfizer issued. The study or research on the effectiveness was carried out through a review of the effects after the second dose of administration.
It stated that the effectiveness of the Pfizer Inc (PFE.N)/BioNTech SE vaccine in preventing coronavirus infection dropped to 47% from 88% six months after the second dose.
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However, in another review, namely the prevention of severe infections that result in hospitalization, the pfizer vaccine is still considered effective.
Launch page ABC News (5/10/21), According to a recent study, Vaccine Pfizer COVID-19 remains 90% effective in reducing a person’s risk of hospitalization from the virus six months after administration. This is true even when facing the delta variant and if the person has not received a booster injection.
However, when it comes to preventing infection, vaccine effectiveness diminishes rapidly over time, according to the study.
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In the Pfizer-funded study, researchers assessed data from Kaiser Permanente and calculated the percentage of fully vaccinated patients who contracted COVID-19 every month after vaccination. Data from about 3.4 million people was analyzed between December 2020 and August 2021.
The study’s results are in line with previously published data from Israel and the US Centers for Disease Control and Prevention looking at vaccine effectiveness over time, but the Pfizer-funded study is the first to consider how delta variants might impact Pfizer vaccine effectiveness over time.
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“The effectiveness of the vaccine against both delta and non-delta variants remained high throughout the study, indicating that the vaccine worked well even when variants existed,” said Dr. Simone Wildes, infectious disease specialist and ABC News contributor.
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