Rat population of New York City carries variety of disease-causing microbes.
Columbia Nursing confronts the Ebola outbreak, a tragic, textbook example of a public health crisis.
A model shows that a combination of four approaches could reduce the spread of HIV among drug users in NYC by more than 60 percent by 2040.
Three-quarters of camels in Saudi Arabia have evidence of the deadly virus behind Middle East Respiratory Syndrome, or MERS, finds a study by the Center for Infection and Immunity.
While most hospitals have policies to prevent health care-associated infections, clinicians often fail to follow the guidelines established to prevent these infections.
Mailman School researchers report that HIV-positive men whose moods improved were more likely to have safe sex than they would normally.