Corona vaccinations: are the side effects unusually strong?


Never in history has a vaccine against a new virus been developed so quickly as against the Sars-CoV-2 pathogen. This is one of the reasons why many are wondering how severe the side effects are with the new vaccines from Biontech / Pfizer, Moderna and Astrazeneca.

Vaccine reactions are normal and can be expected

In principle, slight “vaccination reactions” are to be expected and are common.  The y show that the immune system is responding to the vaccine. This is usually redness, swelling or pain at the injection site. In addition, other reactions such as fever, chills, headache or body aches, but also nausea and diarrhea can occur.


 The se vaccination reactions also occurred in the clinical trials for the three corona vaccines, at Biontech / Pfizer more often only after the second vaccination dose. In the case of the Astrazeneca vaccine, too, the renewed analysis by the Paul Ehrlich Institute (PEI) on February 18 shows no other reactions to the vaccination than those already known. ©

 The  PEI evaluates the safety of vaccines in Germany.


 The  benefit-risk profile continues to be assessed as positive for all three vaccines.” Paul Ehrlich Institute on February 18, 2021

Vaccine reactions more common with Astrazeneca active ingredient

When vaccinated with the active ingredient from Astrazeneca, some people who had been vaccinated recently complained of strong reactions. ©

 The  PEI considers these reactions to the vaccine to be normal – even if they could cause flu-like symptoms.

“Vaccination reactions occur after the administration of the [Astrazeneca-]Vaccine relatively frequently. But they are short-lived and usually reflect the body’s normal immune response to the vaccination. “Paul Ehrlich Institute on February 18, 2021

With the Astrazeneca vaccine, the frequency of vaccination reactions decreases slightly with the second vaccination dose – in contrast to Biontech / Pfizer. Overall, the vaccine effect is high and prevents infections and severe courses.

No known life-threatening consequences


 The  studies for vaccine approval by Biontech / Pfizer, Moderna and Astrazeneca also showed that none of the test subjects experienced serious side effects in the two months after the second injection – life-threatening consequences that require clinical treatment or lead to permanent impairment. This category includes, for example, allergic shocks or neurological problems, which in the worst case could lead to death.

What can always happen with vaccinations is that the person being vaccinated may develop an allergic reaction to ingredients. For example, there are a few reports of such cases with the Biontech / Pfizer vaccine. That is why you are not sent home straight away if you are vaccinated. If an allergic shock occurs, it is possible to react directly, for example by administering adrenaline.

Few serious side effect cases

By February 12th, 3.8 million vaccinations were carried out in Germany with Biontech / Pfizer, almost 87,000 vaccinations with Moderna and a good 31,000 vaccinations with Astrazeneca. A total of around 7,600 suspected vaccine side effects were reported, around 1,200 were classified as serious.


 The  reporting rate for the three vaccines together was 1.9 per 1,000 vaccine doses, and for reports of serious reactions 0.3 per 1,000 vaccine doses.” Paul Ehrlich Institute on February 18, 2021

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Corona vaccinations side effects unusually strong


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