Indeed, other than the son, nobody who has been in close contact with people known to be infected with the new virus have so far tested positive for it. (newscientist.com)
The germ spreads through close contact with another person's bodily fluids, such as saliva, blood, urine and breast milk. (sciencenewsforstudents.org)
As their habitat is disrupted by development, the monkeys come in closer contact with people. (npr.org)