Between a Few

Genetic analysis indicates that, in one instance, the novel avian influenza H7N9 virus was transmitted between people, Chinese researchers report in the British Medical Journal.

Using rRT-PCR, viral culture, and a hemagglutination inhibition assay, the researchers examined samples from two infected patients — father and daughter — their contacts, and their environment. Based on both sequence and phylogenetic analysis, the team determined that the strains were "almost identical."

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Jay Shendure and his colleagues have developed a new method to more comprehensively identify human cell types, the NY Times reports.

Researchers in the UK and Japan have shown that infertility in mice with three sex chromosomes can be overcome, according to the Guardian.

China is embracing preimplantation genetic diagnosis, Nature News reports. 

In PLOS this week: host genetic factors associated with cervical neoplasia progression, population patterns for an ancient flowering rainforest plant, and more.