“The mosquito population is already coming out, and it’s making life impossible,” said a former Navy entomologist in San Juan.
Quarter of a million people given temporary work visas in the last year and dengue fever kills 300 in Sri Lanka.
Scientists studying the Zika outbreak in Brazil say previous exposure to dengue, another mosquito-borne virus, may exacerbate the potency of infection.
Though the trial used a small sample size, the results were encouraging and have spurred a wider, clinical trial.
The current epidemic of Zika virus infection in the Western Hemisphere is actually just the latest in a decade-long wave of worldwide disease outbreaks.
Hint: no one knows for sure what the consequences would be.