Studies have shown that HIV/AIDS remains a major public health challenge worldwide and the adoption of preventive health behaviour holds the key to its control. Little is known, however, about the typology of preventive health behaviour adopted by undergraduates of the University of Ibadan against the disease condition. This study, therefore determined the pattern and types of HIV preventive health behaviour among undergraduates of the University. The study was cross-sectional in design. A two-stage sampling procedure was used to randomly select 400 students from the Faculties of Pharmacy,...