Published On: Wed, Sep 15th, 2021

Pfizer Says COVID-19 Vaccine Efficacy Weakens Over Time

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Pfizer recently stated that data from Israel and the United States suggests that its COVID-19 vaccine efficacy drops over time and claimed that booster doses are effective at dealing with new virus variants. Federal health officials announced two weeks ago a target date of Sept. 20 to try to roll out booster shots for the general public, although a recent study from several top scientists at the World Health Organization (WHO) and Food and Drug Administration (FDA) found that the general population doesn’t need a booster dose. “Real-world data from Israel and the United States suggest that rates of breakthrough infections are rising faster in individuals who were vaccinated earlier in the vaccination campaigns compared to those who have been vaccinated more recently,” Pfizer stated during its presentation this week, which was posted on the FDA website. And the evidence from the studies indicates that the “observed decrease of vaccine …

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