Pfizer’s vaccine step-up injection leads to controversy, US Centers for Disease Control: or cause side effects

On July 13, local time, US Department of Health officials stated that the United States is reviewing whether it is necessary to allow people who have been vaccinated with the new crown vaccine to receive a third booster shot. The Ministry of Health believes that more experimental data is needed to understand whether booster injections increase the risk of serious side effects.

Butler, deputy director of the US Centers for Disease Control and Prevention, said that people are worried that the third shot may bring more potential risks. A few days ago, Pfizer plans to apply to the US regulatory agency for emergency use authorization of the new crown vaccine booster. There are two reasons. One is that there are signs that six months after vaccination, the risk of infection may increase again; the other is the rapid spread of the highly infectious Delta strain.

On July 12, local time, the U.S. Department of Health and Human Services and Pfizer negotiated and agreed that there is no need for intensified injections at this time. Butler said that there is no evidence that the immunity of people who have been vaccinated for more than six months will weaken.

Since last Sunday, Israel has begun to provide a third dose of vaccine booster to adults with lower immune functions. The US Department of Health will soon be able to obtain more accurate and truthful data.

Pfizer’s vaccine booster is controversial. The US Centers for Disease Control: or cause side effects. Click on the video to have a look!

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