The World Health Organization endorsed the RTS,S/AS01 malaria vaccine for children, the first against the mosquito-borne disease that kills more than 400,000 a year.
The rainy season in Central America brings with it an increase in dengue cases — a dangerous scenario for health systems that are already scrambling to contain the coronavirus.
Dengue is most commonly caught by people traveling to hotter climates such as Costa Rica.
A WHO analysis published in 2016 named Costa Rica among 21 countries with the potential to eliminate malaria by 2020.
At least 100 people have died from dengue this year in Honduras, officials say.
Dengue fever is a disease that causes high fever, rash, and muscle and joint pains.
The Zika virus is transmitted through the bite of the Aedes Aegypti mosquito.
Costa Rica had no malaria cases between 2012 and 2015, but this year has reported nine cases.
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