Multistrain models

Keeling, M. & P. Rohani. 2007. Modeling Infectious Disease in Humans and Animals Princeton UP, Princeton NJ.
Kucharski, A. et al. 2015. Capturing the dynamics of pathogens with many strains J. Math. Biol. DOI 10.1007/s00285-015-0873-4
Lipsitch, M. et al. 2009. No coexistence for free: Neutral null models for multistrain pathogens Epidemics 1:2-13.
Wikramaratna et al. 2015. Five challenges in modelling interacting strain dynamics Epidemics 10:31-34.