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. 2014 Mar 4;50:31–39. doi: 10.1016/j.apgeog.2014.02.005

Table 2.

Key parameter settings for influenza diffusion.

Parameters Values Literature
Basic reproduction number R0 1.2–1.3 Mills, Robins, & Lipsitch, 2004
Infection rates Iage Children: 0.1
Youth and adults: 0.08
Senior: 0.09
Calibrated based on R0
Effectiveness of contacts Econtact Eclose_contact: 1
Eocassional_contact: 0.2
Calibrated based on R0
Likelihood of symptom manifestation 0.5 Ferguson et al., 2005
Latent period 2 days Heymann, 2004
Incubation period 3 days Heymann, 2004, Halloran et al., 2008
Infectious period Children: 7 days
Youth and adults: 4 days
Senior: 4 days
Heymann, 2004, CDC, 2008