Protection and care: Vaccination campaign against hepatitis B, yellow fever and MMR (measles, mumps, rubella) for military police officers of the Area Policing Command (CPA) - North of Manaus, State of Amazonas, Brazil. (2025). Research, Society and Development, 14(12), e05141250095. https://doi.org/10.33448/rsd-v14i12.50095