Check with your health insurance about coverage in Rio. INS 2019 does not offer any medical or dental service. You may consider buying health insurance before arriving in Rio de Janeiro, as private hospital and medical fees may be expensive.
A valid international vaccination certificate for yellow fever, under the auspices of the World Health Organization, is demanded by the Brazilian Government for travelers who are resident (or have been in transit within the past three months) of Angola, Benin, Bolivia, Burkina Faso, Cameron, Colombia, Ecuador, Gabon, Gambia, Ghana, Guinea-Bissau, French Guyana, Liberia, Nigeria, Peru, Democratic Republic of the Congo, Sierra Leone, Sudan, Venezuela and Zaire. Please consult the health department office in your city.
According to the “World Health Organization” yellow fever vaccination is recommended for international travelers in many areas in Brazil, in particular if going to wild forest areas. The vaccination must be taken at least 10 (ten) days before traveling. Yellow fever vaccination is not mandatory to enter Brazil. No cases of yellow fever have been reported in the urban area of the city of Rio de Janeiro.