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COVID-19 | Booster shot has similar side effects to the second dose

Most of the side effects reported after administering the third dose of the vaccine against the COVID-19 they are mild or moderate, and occur with the same frequency as after the second injection, indicates a US study released Tuesday.

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Data in the Centers for Disease Control and Prevention (CDC) report comes from more than 22,000 people enrolled in a smartphone vaccine safety app and receiving a booster dose between Aug. 12 and Aug. 19. September.

During this period, they were authorized, but not for the general population.

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“The frequency and type of side effects were similar to those observed after the second doses of the vaccine, and were mostly said the director of the CDC, Rochelle Walensky, in a press conference.

The most common side effects were injection site pain (71% of study participants), fatigue (56%), and headache (43%).

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About 28% stated that they were unable to carry out their normal daily activities, usually the next day.

Around 0.1%, or 13 people, were hospitalized.

Last week, US health agencies extended the authorization of Pfizer’s booster dose to those 65 and older, those between the ages of 18 and 64 with an underlying disease, such as diabetes or obesity, and those who are especially exposed to the virus because of their work or where they live.

The CDC cautioned that its report had certain limitations.

Among them, the fact that the registration to the application for smartphones called “v-safe” was voluntary and that in the national population.

During the study period, some non-immunosuppressed individuals may have received a booster, so the results cannot be reliably related to immunosuppressed individuals alone.

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