Fiocruz: no age group has achieved 80% vaccination coverage of the booster dose

Photo: Nelson Almeida/AFP

If the vaccination of children, children aged 5 to 11, is today the main challenge of the vaccination campaign against Covid-19, the progress of the application of booster doses of the vaccine against the new coronavirus also stagnates. No age group has reached 80% vaccination coverage of the booster dose, for example. This is shown in a technical note from the Covid-19 Fiocruz Observatory published this Wednesday (16).

“Although the application of this (booster) dose has been taking place in the country since September 2021, no age group has so far reached the threshold of 80% vaccinated, even the elderly, who were first eligible for application,” the bulletin read.

A recent survey carried out by the Extraordinary Secretariat for the Fight against the Covid-19 Pandemic (Secovid) of the Ministry of Health pointed out that only 37.81% of the public over 18, or 60.5 million Brazilians, have taken the reinforcement dose.

According to the Fiocruz report, even the 80+ age group did not achieve 80% booster dose coverage. In this group, 71.3% took the extra dose. The highest coverage rate referring to the booster vaccine, 76%, was achieved by the age group between 75 and 79 years.

“Admissions to clinical beds, intensive care beds and in-hospital deaths have increasingly been concentrated precisely among older people. In this way, older people who do not maintain a diet with up-to-date reinforcement find themselves in a particularly dangerous situation, even with the reduction in incidence and mortality in the general population,” the researchers warn. .

The bulletin points out that, although it did not achieve 80% vaccination coverage in any age group, the booster dose shows progressive improvement in coverage for each increasing age group.


The main challenge of the vaccination campaign against covid-19 in Brazil, at the moment, is the vaccination of children aged 5 to 11 years. Started in January, the vaccination of children is still stagnating since the percentage of this population with one dose is 39.3%, and with a complete two-dose regimen is only 4.7%.

For the Fiocruz researchers, “the spreaders of fake news have raised the tone of speculation, causing many parents to feel insecure about the risks of having their children vaccinated”.

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