Is global warming driving the spread of dengue across Latin America?

In 1970, the tropical disease was only a danger in nine countries. Now, it afflicts over 100.

By Joshua Collins in Bogotá

A municipal worker fumigates a market to prevent the spread of dengue fever and other mosquito-borne diseases in Tegucigalpa, Honduras, on 25 July 2019. Dengue infections reached new records in Latin America last year. (Jorge Cabrera/REUTERS)

International scientists have for years warned that climate change is likely to lead to an increase in epidemics caused by pathogens and…