The influence of immunity loss on persistence and recurrence of endemic infections.
Conditions for persistence of endemic infections with immunity loss are derived and shown to agree with conditions for recurrence recently established by Chaffee and Kuske (Bull. Math. Biol. 73(11):2552-2574, 2011).
Department of Mathematics, Royal Institute of Technology, 100 44, Stockholm, Sweden, ingemar@kth.se.
Ingemar
I
Nåsell
D058872:Epidemics / Q000706:statistics & numerical data*; D006801:Humans