†The intercept of the linear model was estimated to be −2.94 [33]. §Estimated from Figure 1 in [44] for 10 days of symptoms. ¥Deaths per year: 2000: 2; 2001: 6; 2002: 6 ; 2003: 6 ; 2004: 8 ; 2005: 27
The incubation (infectious) period is defined as follows: where is the duration and is the probability that an infected (infectious) individual will have an incubation (infectious) period of days.