New diseases. The human factor.
Chen
L C
LC
Department of Population and International Health, Harvard School of Public Health, Boston, Massachusetts 02115.
D000401:Aircraft; D001519:Behavior; D003141:Communicable Diseases / Q000453:epidemiology* / Q000635:transmission; D003710:Demography; D006801:Humans; D011157:Population Dynamics; D012725:Sexual Behavior; D014195:Travel