Side effects of the Pfizer, AstraZeneca, Moderna and Janssen vaccines


Vaccination in Spain continues and now the 40-49 age group is being vaccinated in many parts of the country. We currently have 4 different vaccines, some of which are more geared towards one age type than another. They are Pfizer, AstraZeneca, Moderna and Janssen. Do you know the side effects of the vaccine?

In general, doctors report that adverse effects are mild and do not affect everyone equally. From the Ministry of Health they explain that all the symptoms you notice are really normal and they usually happen with any vaccine.

Adverse effects of the Pfizer vaccine

According to the WHO; the most prominent are headache, joint pain, muscle pain, injection site pain, tiredness, chills, fever, swelling at the injection site. Indicates that other less common side effects are possible and that side effects may be more common after the second dose.

Health responds that such side effects of the vaccine are not a “cause for concern.”

Modern Vaccine

In this case, the side effects are similar to those of Pfizer, remember that its development is similar using the RMA messenger technique. In addition, there is also talk of the so-called ‘Covid arm‘which presents to those who are inoculated with this vaccine and presents erythema, itching, induration and tenderness in the arm.

Side effects with AstraZeneca

They are also effects similar to those of the two vaccines seen above, although their development sequence is different. Appear malaise, fever or nausea and headache. Let us remember that there are some cases of thrombosis that may or may not be associated with the use of this vaccine, although the EMA has already given the green light to continue vaccinating people over 60 years of age with this dose.

Janssen vaccine

It is the last vaccine to be incorporated and it differs from the rest because it is a single dose, so that we would be protected with a single prick. In this case, you can also notice pain or tenderness at the injection site, redness, swelling, and fever, plus other less common side effects. In this case, thrombi also appeared in the United States, related or not to the inoculation of this vaccine.

Anyway, whoever sees another type of side effect after the puncture is better to go to the doctor to ask. There are also the possible cases of allergy to some of the components of the vaccines.

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