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Biomedicine

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flu viruses

GOING VIRAL Tracking the way viruses like influenza move around residence halls may help researchers reign in the pathogens' spread.

amyloid-beta illustration

STICKY SITUATION  Accumulations of a sticky protein called amyloid-beta (the tumbleweed-like balls in this illustration) can appear in the brain decades before a person develops Alzheimer’s disease.

West Nile virus

ALL IN THE FAMILY  West Nile virus (green) grows in a lab sample of human placental tissue in this micrograph. Like Zika, West Nile can harm a fetus, tests in mice show.

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