Sao Paulo — Vax-Before-Travel

Sao Paulo

Fact checked by Robert Carlson, MD

Dec 19

3 min read

Brazil Validated for Eliminating Mother-to-Child Transmission of HIV

Brazil continued reducing HIV transmission in 2025

HIV vaccine

Fact checked by Robert Carlson, MD

Dec 12

3 min read

Will Brazil's Dengue Vaccine Come to the USA

Butantan Institute Butantan-DV Dengue Vaccine is approved in Brazil

Butantan-DV Dengue Vaccine 2025

Fact checked by Robert Carlson, MD

Sep 13

3 min read

Oropouche Virus Outbreak Threatens the Americas

No vaccine available to prevent Oropouche in 2025

vaccine

Fact checked by Robert Carlson, MD

Aug 29

2 min read

Chikungunya Travel Alerts Expanded in the Americas, China, Indian Ocean

PAHO advises Chikungunya vaccination before visiting Outbreak areas

vaccine

Fact checked by Robert Carlson, MD

Jul 7

2 min read

Mosquito-Transmitted Diseases Need An Integrated Management Approach

Zika cases reported in July 2025 without an approved vaccine available.

Zika