Second Dose Of Pfizer Gives More Fever Or Malaise Than The First

Why the second dose of Pfizer gives more fever or malaise than the first. Side effects mean that the body is producing a “strong” immune response.

Vaccination continues to advance in different regions and more and more age groups are eligible for the first dose of the vaccine , while older or middle-aged people are already receiving or have received the second dose.

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Some of those inoculated have not had any symptoms, but most people may have fever, pain at the site of the puncture or general malaise and fatigue , something completely normal within the side effects of the four vaccines approved in Spain to fight against the Covid-19 ( Pfizer , Modern, Janssen and AstraZeneca).

When giving the second dose of the vaccine, many people have noticed these adverse effects in a more intense way than in the first injection, something that has its explanation in the immunization process.

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Finding that the second dose of Pfizer causes more serious side effects than the first dose, some people have shown rejection of the vaccine. However, this should not be a reason not to get vaccinated, since side effects are synonymous with a good immune response.

This was explained by the professor of Immunology at the University of Vigo, former president of the Spanish Immunology Society, Africa González, who has indicated in an interview in Hoy por Hoy , from Cadena Ser , that with the second dose “they start memory cells very quickly. “

With these cells ” the entire defense system will be mounted to try to fight against that vaccine “, creating antibodies and immunizing the person, so “the feeling of fatigue, fever pain, are absolutely normal side effects and they are related to a good immune response ” , explains the expert, emphasizing that the symptoms after the vaccine mean that this immune response is” being very powerful and is acting very actively against the vaccine “.

In addition, although some people have been infected after injecting the coronavirus vaccine, the disease is usually “much milder because you already have part of the immunity” , being in many cases asymptomatic, this being one of the reasons that make vaccination something important in the fight against the pandemic.