摘要：Achieving the Sustainable Development Goal 3.3 is hinged on effective use of information sources for health communication interventions. This study investigated the knowledge of residents of Lagos Nigeria on HIV/HBV co-infection and the use of information sources. The study adopted the quantitative research method of survey to find out the knowledge level of residents of Lagos, Nigeria on the HIV/HBV co-infection. While the bivariate analysis presented cross tabular data on knowledge level, the multivariate was used to test highlight the hypothesis. The study indicated that more than 75% of the respondents had heard of HIV and HBV co-infection. The result established a significant relationship between the use of information sources and the knowledge on HBV/HIV co-infection. Despite the knowledge on HBV/HIV co-infection, the study concluded on the need for preventive information campaigns to create awareness to mitigate the increasing cases of HBV/HIV co-infection cum motivates individuals toward healthy lifestyle practices.
