Anvisa approves Pfizer’s vaccine for children ages 6 months to 4 years

The National Health Surveillance Agency (Anvisa) authorized on the night time of this Friday (16) the extension of using the Pfizer vaccine to immunize children from 6 months to 4 years towards covid-19. The approval permits the beginning of using the vaccine in Brazil for this age group. From now on, it’s up to the Ministry of Health to determine on the inclusion of the vaccine within the immunization plan by making a calendar for particular age teams.

According to Anvisa, the analysis started on August 1 and included cautious evaluation from the technical area with the required velocity. For registered vaccines, the choice to prolong the indication for use or the age group is a technical space. Only emergency use merchandise want to be mentioned by the boards.

In evaluating the growth of the age vary of this vaccine, the company relied on the session and monitoring of a bunch of specialists from medical societies who had entry to the examine knowledge and outcomes introduced by the laboratory. by Anvisa, so using the vaccine by children was authorized throughout the strictest standards, taking into consideration, for this, the data of medical professionals who work every day with children and immunization,” harassed Anvisa.

In the record of specialists concerned within the analysis of the growth of using the vaccine are the Brazilian (*4*) for Collective Health (Abrasco), the Brazilian Society of Pulmonology and Thysiology (SBPT), the Brazilian Society of Infectious Diseases (SBI), the Brazilian Society of Immunology (SBI) ), as well as to the Brazilian Society of (*6*) (SBP). Pfizer’s vaccine has been registered in Brazil since February 23, 2021. On December 16, 2021, Anvisa had already licensed the indication of the vaccine for the age group of 5 to 11 years.


The vaccine for children between the ages of 6 months and 4 years has a unique dosage and formulation than these used for the beforehand authorized age teams. The vaccine kind licensed as we speak have to be administered in three doses of 0.2 ml (equal to 3 micrograms). The preliminary two doses ought to be given three weeks aside, adopted by a 3rd dose given a minimum of eight weeks after the second dose. The cap of the vaccine bottle can be wine coloured to facilitate identification by vaccination groups and likewise by fathers, moms and caregivers who can be taking children to be vaccinated. Using completely different cap colours is a technique to keep away from administration errors because the product requires completely different dosages for completely different age teams.

“The vaccine has a shelf lifetime of 12 months when saved between -90°C and -60°C. Once faraway from the freezer, the closed bottle might be saved in a fridge between 2 °C and eight °C for a interval of 10 weeks, not exceeding the unique expiration date.

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