Overview of childhood vaccination coverage in Brazil and the impact of the COVID-19 pandemic: Is our children's health at risk? A review of pre-COVID-19 periods and during the COVID-19 pandemic.

It has been suggested that there is a higher probability of children with pertussis not having been vaccinated, rather than having only been partly vaccinated, which might result in a worrying trend called “intentional childhood unvaccination”.

also in 311 other papers

In period 1 investigated, a decrease in CVC was observed for all vaccines [BCG, hepatitis B, meningococcal C conjugate, 10-valent pneumococcal conjugate, oral poliovirus vaccine dose 1, Human rotavirus, and triple viral (MMR)], except for pentavalent and yellow fever vaccines, which followed an increasing trend reaching of, respectively, 1.03% and 13.19% ( Fig. 1 , Fig. 2 ).

also in 30,787 other papers