Dr McGaw is a senior lecturer and deputy leader of the Phytomedicine Programme in the Department of Paraclinical Sciences, Faculty of Veterinary Science. Her research involves biological activity and toxicity studies of South African plants and active compounds isolated from them. Current interests focus on antimycobacterial, cytotoxic and genotoxic effects of indigenous plants. Future work will concentrate on mechanisms of action, use of plants in animal health, and immune modulatory activity of plant preparations.