Fourth dose: what are the most common side effects of Moderna and Pfizer vaccines | Peru | nnda-nnlt | PERU

The Peru has been applying the fourth dose to people over 30 years of age and seeks to speed up the process of vaccination in the midst of a fourth wave, which registers more than 5,000 positive cases a day. Although SARS-CoV-2 vaccines have saved millions of lives, in some cases symptoms appear after the injection, due to the acquisition of immunity. Do you know what the side effects are?

Since April 2, the Ministry of Health began the application of the fourth dose. To date, more than 3.9 million people over the age of 30 have already received the fourth dose to prevent a severe form of coronavirus infection, which represents an 18% advance in that age group, according to the state entity. In total, at the national level and from 5 years of age, 80.6 million vaccines have been applied, which correspond to the first, second, third and fourth doses.

The director of Immunizations of the Minsa, María Elena Martínez, indicated that for the fourth dose, vaccines from Moderna or Pfizer laboratories are used, considered safe and of high quality. Next, we will tell you what are the effects that you can feel after its application.

WHY IS IT NORMAL TO HAVE SIDE EFFECTS FROM VACCINATION?

Vaccines are designed to provide immunity without running the risk of presenting the disease against which they protect, explains the World Health Organization. After vaccination, some people have mild to moderate symptoms that should not cause alarm, as they indicate that the immune system is responding to the antigen (that is, the molecule that triggers the immune response) and that it is preparing to fight against it. the virus. However, the absence of side effects does not mean that the vaccine is not effective, because each person reacts differently.

WHAT ARE THE SIDE EFFECTS OF THE PFIZER VACCINE?

The most common side effects are the following:

• Pain or swelling at the injection site.
• Feeling tired.
• Headache.
• Myalgias and arthralgias. (Muscle and joint pain)
• Fever.
• Shaking chills.
• Discomfort.
• Nausea.

WHAT ARE THE SIDE EFFECTS OF THE MODERN VACCINE?

The most common side effects are the following:

• Pyrexia (febrile state).
• headache (headache)
• Mialgia. (dolor muscular)
• Pain in the vaccination area.
• Discomfort.
• Shaking chills.
• Fatigue.
• Nausea.
• Arthralgia. (pain in the joints)
• Asthenia. (fatigue)
• Diarrhea.
• vomiting.
• Acne.

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