The Nuffield Department of Medicine links high quality basic biological science with medical application and hosts one of the largest groupings of biomedical researchers in the University sector. It is also responsible for a significant part of the teaching of medical students at Oxford.

In addition, it operates a number of major overseas programmes in tropical medicine, with research units in Thailand, Laos, Vietnam and Kenya. It also operates extensive epidemiological and clinical trials networks throughout China, India and South America.