Even if a man tests positive for such mutations, however, his overall risk is still low. (cityofhope.org)
But interviews with several infectious diseases experts reveal that whereas such a mutation — or more likely series of mutations — might physically be possible, it's highly unlikely. (scientificamerican.com)
Such mutations often affect proteins in the membranes of immune cells, which help them to get to sites of inflammation. (sciencedaily.com)