Sao Paulo — Vax-Before-Travel

Sao Paulo

Fact checked by Robert Carlson, MD

Jan 24

4 min read

Severe Zika Infection Causes 13-fold Greater Mortality Risk in Children

Zika vaccine Development continues in 2025

Fact checked by Robert Carlson, MD

Dec 27

3 min read

Brazil's Extensive Chikungunya Outbreak Impacted by Virus Genotype Adaptation

Chikungunya virus E1-A226V mutation enhances transmission dynamics

brazil

Fact checked by Robert Carlson, MD

Dec 17

3 min read

Will the U.S. FDA Approve Brazil's Dengue Vaccine

Butantan-DV is a single-dose effective safe dengue vaccine

vaccine

Fact checked by Robert Carlson, MD

Nov 21

3 min read

Chikungunya and Dengue Viruses Co-Circulate In the Americas

Chikungunya vaccine available in 2024

chikungunya

Fact check in progress

Oct 30

3 min read

Chikungunya Outbreaks Could be 60 Times More Fatal

Excess mortality associated with chikungunya epidemic in Brazil