The Sir William Dunn School of Pathology
is a Department within the University of Oxford Medical Sciences Division. It has an extensive research programme covering a wide range of fields including, bacteriology and virology, cell biology, immunology, microbiology and molecular biology. It is involved in the teaching of medical sciences to undergraduates.
The Dunn School is famous for pioneering work on penicillin, which brought in the antibiotic era, and other key findings noted in its brief history. The department was rated as the highest scoring UK biomedical research department in the 2008 Research Assessment Exercise.