This report provides an overview of the interim evaluation of the onelove campaign in South Africa. By drawing on different data sources, it describes and quantifies the key activities of the campaign in the first 18 months, and reports on the results of three evaluation studies conducted. By documenting what has been achieved thus far, the evaluation provides an opportunity to measure the reach and reception of the campaign, as well as identify any impacts to date. It further enables reflection on gaps and areas for focus going forward.