She was also Senior Lecturer in Parasitology at the University of the Witwatersrand .
From 1917 to 1933 Porter was Head of the Department of Parasitology at the South African Institute for Medical Research in Johannesburg .
1933 Porter was also Head   in Parasitology at the University of the Witwatersrand .
From 1917 to 1933 Porter was Head of the Department of Parasitology at the South African Institute for Medical Research in Johannesburg .