PAHO employs the Muppets, and Argentina, New Zealand report possible sexual spread.
In Zika virus developments today, Brazil's health ministry reported 273 more suspected microcephaly cases and the World Health Organization (WHO) released interim guidance on lab testing for Zika infection.
WHO head calls for a focus on building healthcare capacity, asks for more funds.
Experts said only 2 of the new methods—Wolbachia and transgenic mosquitoes—were at the stage for carefully designed pilot projects.
A gene study finds several changes in the circulating virus, though the clinical significance isn't clear.
The approach could be used to screen other dengue vaccine candidates, as well as for Zika vaccines.
Scientists unveiled risk estimates for 50 US cities, with hot spots in the South and East.
The first trimester of pregnancy was associated with the greatest microcephaly risk, the research team found.
The goal is to assess new tools, as current weapons aren't working well against Aedes mosquitoes.
CDC guidance now excludes destinations above 6,500 feet, as Aedes mosquitoes are rare in those areas.
