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UK expert said 2 hemagglutinin could explain different patterns in flu pandemics
Key points from article :
People are only protected from the first hemagglutinin protein their body meets, at risk from the other one.
Researchers classed the 2 hemagglutinin proteins as "blue" and "orange" lollipops.
People born before the late 1960s were exposed to "blue lollipop" flu viruses - H1 or H2 - as children.
If exposed to "blue lollipop" flu - H5N1 bird flu, they could've died only from "orange" H7N9.
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Louise Foucar Marshall Science Research Professor and Department Head of Ecology and Evolutionary Biology.
Peer-reviewed academic online journal of the American Association for the Advancement of Science (AAAS)
