An Aedes aegypti mosquito  in a laboratory in Campinas, Brazil, February 2nd, 2016. Photograph: Paulo Whitaker/Reuters

A new method to render male mosquitoes infertile by nuclear radiation could help reduce populations of insects carrying the Zika virus linked to thous(...)

Brazil’s president Dilma Rousseff first proposed turning to Cuba for help with the chronic shortages in the public health system in May. Photograph: Nacho Doce/Reuters

Brazil is to go ahead with a controversial plan to import 4,000 Cuban doctors to work in poor, remote regions of the country where the public health (...)