Also, Florida reported five more local Zika cases, all involving people who were sick earlier this fall.
Researchers from the University of Wisconsin-Madison today described a new technique that could improve the production of influenza B vaccine viruses, consisting of a "backbone" for adding specific components to protect against both the Victoria and Yamagata lineages. They reported their findings today in Proceedings of the National Academy of Sciences.
Florida said the Little River neighborhood is no longer an active site of Zika transmission.
Findings from "minibrain" experiments raise new questions on how Zika infects developing fetal brain cells.
The case, involving a woman in Brownsville, is the first local US case outside Florida.
Also, a second mouse study finds evidence that the virus damages testes and fertility.
In other developments, the WHO spells out its Zika research priorities and a need for solid long-term funding.
The agency shifts to long-term response, which it says is more likely to provide sustained funding.
Florida has 6 new local infections, and Argentina and Guadeloupe have reported their first microcephaly cases.
A DNA vaccine could help stamp out the outbreak, while a live-attenuated vaccine could offer lifelong immunity.
