Do surgical masks guard against viral infection?
At the outbreak of a virus, masks may give a sense of comfort but there is debate over their efficacy, with some medical professionals arguing that regular hand-washing is much more effective
Fear of contagion clouds our thinking about the transmission of HIV
How can we treat people fairly while reducing risk to others of contracting the disease?
Son of Irish emigrants wins Nobel Prize for medicine
John O’Keefe jointly won for discovering how brain’s inner position system works
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