Pfizer Covid vaccine: The side effect ‘more common’ after second dose – CDC finding

Coronavirus vaccine: First dose figures surpass 46 million

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From early September, as many as 32 million Britons will be offered the Pfizer Covid vaccine in a bid to top up vaccine-induced immunity ahead of winter. Meanwhile, there is a push from the Government to get younger people vaccinated, especially with the second dose of the Pfizer vaccine, which has seen numbers taper off. Although side effects of the vaccines are a sign your immune system is responding effectively, they have instilled some apprehension about the vaccines.

Reams of data has been published on the possible side effects of the coronavirus vaccines.

The Centres for Disease Control and Prevention (CDC) has documented many of the side effects associated with the Pfizer Covid jab.

According to data published by the CDC, fever is more common after the second dose and in the younger group compared to the older group.

The CDC also found side effects more common than not experiencing a reaction.

Among all vaccine recipients asked to complete diaries of their symptoms during the seven days after vaccination, 77.4 percent reported at least one systemic reaction.

The health body also found “frequency of systemic adverse events was higher in the younger than the older age group”.

Within each age group, the “frequency and severity” of side effects were higher after dose two than dose one.

“Vomiting and diarrhoea were exceptions, and similar between vaccine and placebo groups and regardless of dose,” the CDC found.

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For both age groups, fatigue, headache and new or worsened muscle pain were most common.

Overall, the average onset of side effects in the vaccine group in general was one to two days after either dose and lasted a median duration of one day.

How to respond

According to the NHS, you can take painkillers such as paracetamol if you need to.

“If your symptoms get worse or you’re worried, call 111.”

As the NHS points out, if you have a high temperature that lasts longer than two days, a new, continuous cough or a loss or change to your sense of smell or taste, you may have COVID-19.

“Stay at home and get a test,” advises the health body.

It is important to note that you cannot catch COVID-19 from the vaccine, but you may have caught it just before or after your vaccination.

According to the NHS, serious allergic reactions to the COVID-19 vaccines are very rare.

“If you do have a reaction, it usually happens in minutes,” explains the health body.

“Staff giving the vaccine are trained to deal with allergic reactions and treat them immediately.”

The NHS adds: “If you have a serious allergic reaction to the first dose of a vaccine, you should not have the same vaccine for your second dose.”

The MHRA is also carrying out a detailed review of reports of an extremely rare blood clotting problem affecting a small number of people who had the Oxford/AstraZeneca vaccine.

It’s not yet clear why it affects some people.

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