WHO does not recommend 4th dose of Covid vaccines for

WHO does not recommend 4th dose of Covid vaccines for general population

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The World Health Organization (WHO) updated the recommendations for the use of vaccines against Covid19 this Thursday (18 August). According to experts from the Strategic Advisory Group of Experts on Immunization (SAGE), there is no need to give the fourth dose the second booster in the general population free of risk factors.

The indication for reinforcement is limited to groups at high risk of developing severe disease and dying from coronavirus infection, including the elderly, people with comorbidities, the immunocompromised, pregnant women and healthcare professionals.

WHO experts have constantly reviewed studies on vaccines and the immune responses of different population groups to immunizers. SAGE President Alejandro Cravioto said during a press conference that ensuring everyone gets the primary immunization (with the first two doses) remains a priority.

***Third dose against Covid

The Ministry of Health announced the reduction of the time interval for the application of the third dose of the vaccine against Covid19. The booster shot can now be taken four months after the second dose of Rafaela Felicciano/Metrópoles

A nurse is positioned on the right of the color image. She wears a white coat, blue cap and mask and holds a syringe in her hands.***Third dose against Covid

The decision, implemented by state and local health departments, applies to all people over the age of 18, regardless of age group or occupationAline Massuca/ Metropoles

Advertisement from the Metropoles partnerIn the color image, a health worker is positioned on the right and a man in a blue mask is in the middle. She wears a white mask and hat and holds a syringe in her hands.***Third dose against Covid

However, some states have further shortened the interval from one dose of the Covid19 vaccine to the next, as in the case of São Paulo Fábio Vieira/Metrópoles

An arm is positioned on the right in the color image. There is a badge on the upper left side. Two hands prepare arm for syringe injection.***Third dose against Covid2

Those who initially took the Janssen vaccine as a single dose should take the second dose two months apart. Five months later, the individual can take the Rafaela Felicciano/Metrópoles booster shot

In the color image, a pregnant woman appears positioned in the center. She is wearing a green dress and has her hands on her stomach. In the right part of the picture you can see two hands holding a syringe***Third dose against Covid9

Women who have taken Janssen and are currently pregnant or have given birth should use the Pfizer Gustavo Alcantara / Metropoles Immunizer as a booster dose

In the color picture three people can be seen in the background, two in suits and masks and one in a beige blouse. A man appears at lower left with his back turned. He wears a light shirt and has black hair.***Third dose against Covid4

The decision to expand the booster dose offer was taken on the basis of studies conducted by the Oswaldo Cruz Foundation (Fiocruz) in collaboration with the University of Oxford Igo Estrela/Metrópoles

In the color image, a health worker is positioned on the left and a woman on the right. He wears a white coat, a blue mask and holds a syringe in his hands. She wears a black blouse, wears a dark mask and has long black hair.***Third dose against Covid1

Research has shown the need for a booster shot after the first vaccinations against Covid19, including for those taking JanssenRafaela Felicciano/Metrópoles

Colorful illustration about the omicron mutation of Covid19***omicronandthirddoseagainstcovid2

Because of the Ômicron variant, health authorities in several countries are warning of the importance of using booster doses to curb the spread of the virus and the emergence of new strains. Andriy Onufriyenko/Getty Images

In the color image, a hand holds a vial as a syringe approaches it.***Third dose against Covid3

Now the Ministry of Health plans to complete the application of the booster dose to the target group across the country by May 2022, Rafaela Felicciano/Metrópoles

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Joachim Hombach, WHO Chief Health Advisor and SAGE Secretary, explained that the risk of the general population developing serious illness after the first booster dose is very low.

In addition, most people with the high prevalence of the virus have developed hybrid immunity, the combination of protection from vaccines and coronavirus infection, which Hombach says creates an increased defense.

“From this perspective, we see that the general population has good immunity to Covid19,” he said. “Of course we have to monitor,” he mused.

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