U.S. cities and suburbs made strides fighting infectious diseases like tuberculosis and syphilis over the past decade while underweight births became more common, according to a study released on Tuesday.

As a whole, U.S. cities and suburbs showed improvement in a wide variety of public-health indicators, from homicide rates to infant mortality to rates of infectious diseases like gonorrhea and AIDS, according to federal statistics compiled by the State University of New York Downstate Medical Center.