4. Twenty years ago, people would have laughed at the suggestion that gut microbes could influence brain function, says immunologist Sven Pettersson of the Karolinska Institute in Stockholm.
5. "Haemagglutinin's a decoy," says Wayne Marasco, an immunologist at Harvard Medical School in Boston. "Those globular heads can undergo many mutations without the virus suffering any ill effects."
6. Research into whether a similar mechanism applies to humans and other mammalian hosts should be conducted, said viral immunologist Skip Virgin at Washington University School of Medicine in St. Louis.
7. Research into whether a similar mechanism applies to humans and other mammalian hosts should be conducted, said viral immunologist Skip Virgin at Washington University School of Medicine in St. Louis.