Current health alerts for Brazil
Health notices reported for Brazil, with what each means for your trip and how to protect yourself. Our pharmacist will tailor this to your plans.
Yellow fever
As of 23 July 2026, a total of 15 confirmed yellow fever cases including eight deaths have been reported in Brazil. Most (11 cases) have been reported in Sao Paulo state.
There's a vaccine for this
Keep mosquito bites off and ask us about the yellow fever vaccine and the certificate some countries require for your route.
Dengue
As of 1 Feburary 2026, 62,707 cases (eight deaths) of dengue have been reported in Brazil since the start of the year. Case numbers usually increase during the first few months of the year. A total of 1,453,633 confirmed cases (1,793 deaths) were reported during 2025. Serotypes DENV-1, DENV-2, DENV-3 and DENV-4 were all reported.
Chikungunya
As of 20 December 2025, a total of 247,268 chikungunya cases, and 120 deaths, have been reported for 2025 in Brazil.
There's a vaccine for this
Daytime mosquitoes spread it, so repellent and covering up matter; a vaccine suits some travellers.
Zika
As of 1 November 2025, a total of 22,831 cases of Zika virus disease have been reported in Brazil for 2025.
No vaccine — how to stay safe
Steer clear of daytime mosquito bites. If you're pregnant or hoping to be, have a chat with us before you book, and use condoms as Zika can pass on sexually.
Last updated 10 November 2026. Contains public sector information from TravelHealthPro (NaTHNaC), licensed under the Open Government Licence v3.0. © UK Health Security Agency. This is general information, not personal medical advice — your travel-health needs are assessed by our pharmacist.
Travelling to Brazil?
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