What Are the Possible Side Effects of a Third Dose of COVID-19 Vaccines?

Starting at the end of July, Israelis over the age of 60 who have already been fully vaccinated have been receiving a third dose. Side effects from the third dose are expected to be similar or even less severe than those from the second dose. This was demonstrated in a study conducted in Israel. Since the end of July, the Jewish state has been offering this booster dose to people over 60 to slow the progression of the Delta variant. As of August 15, more than 5 000 new cases of Covid-19 have been reported in the country. By Sunday, August 8, more than 240 000 people had already received the third dose of the vaccine.

Coronavirus Vaccine

Coronavirus Vaccine

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Some specific side effects

Nearly 4 500 people participated in the Israeli study cited by Reuters. All of them completed a questionnaire between July 30 and August 1. Eighty-eight percent of respondents said they felt the same or better in the days after the third dose than in the days after the second dose. 31% reported experiencing side effects. In most cases, these were pain at the injection site. 0.4% experienced breathing problems and 1% used medications to prevent side effects.

Read Also: COVID-19: A Vaccine That Can Be Taken Orally as a Pill Is Being Tested in Israel

Vaccination required

Ran Balicer, head of innovation at Clalit, Israel’s main health service, points out in an article for Reuters that these results are self-reported but, he says, still allow for a comparison of the side effects of the second and third doses. “In fact, in most cases, they are similar or less significant,” he summarizes. “In the absence of long-term studies on the efficacy and safety of the third dose of the vaccine in terms of personal risks for people over 60,” he continues, “this work again demonstrates the benefits of vaccination when adults act responsibly and avoid indoor socialization.”

Read Also: Guillain-Barré Syndrome Observed after the First Dose of the Astrazeneca Vaccine

A third dose in the US For Immunocompromised People

In the coming days, Israelis over the age of 45 who have already been vaccinated will also be eligible for this booster dose. In the US  the CDC has just recently Recommended a 3rd Vaccine Dose For Immunocompromised People.


Israeli survey finds 3rd Pfizer vaccine dose has similar side effects to 2nd

CDC Recommends 3rd Vaccine Dose For Immunocompromised People

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