This is an Aedes aegypti mosquito. Having confirmed the first cases of infection in Suriname then in French Guiana, the Institut Pasteur in French Guiana has sequenced the complete genome of the Zika virus, which is responsible for an unprecedented epidemic currently sweeping through the tropical regions of the Americas. Published in The Lancet medical journal, the analysis of this sequence shows almost complete homology with the strains responsible for the epidemic that occurred in the Pacific in 2013 and 2014.

Physicians treating patients with metastatic melanoma -- one of the most aggressive forms of skin cancer -- may soon have a superior tool in their efforts to closely track the disease.