title: Erratum to: Extending the type reproduction number to infectious disease control targeting contacts between types.
authors: Department of Mathematics and Statistics, University of Victoria, Victoria, BC, V8W 3R4, Canada, zshuai@uvic.ca.
authors: Zhisheng
authors: Z
authors: Shuai
authors: J A P
authors: JA
authors: Heesterbeek
authors: P
authors: P
authors: van den Driessche