From: Estimating disease burden of a potential A(H7N9) pandemic influenza outbreak in the United States
Parameter | Values |
---|---|
β h | 0.47/day (for R 0 = 1.8); 0.39/day (for R 0 = 1.5) |
\( {\beta}_p^j \) | 0.94/day for schools and 0.47/day for workplaces (for R 0 = 1.8); 0.78/day for schools and 0.39/day for workplaces (for R 0 = 1.5) |
β c | 0.075/day (for R 0 = 1.8); 0.06/day (for R 0 = 1.5); |
κ(t − τ k ) | lognormal distribution with: δ = − 0.72 and γ = 1.8 |
\( {\psi}_p^j\left(t-{\tau}_k\right) \) | 0.2 (for schools) and 0.5 (for workplaces) only when the elapsed time since the onset of infection is greater than the latent period 0.25 days; the value of \( {\psi}_p^j \) is 0 otherwise |
f(d i , k) | \( \frac{1}{{\left[1+\frac{d_i,k}{a}\right]}^b}, \)Z with a = 35 km and b = 6.5 |
ζ(a i ) | ζ(a i ) = 100% if age ∈[20 − 65], 75% if age ∈[15 − 20] and [65 − 70], 50% if age ∈[10 − 15] and [70 − 75], 25% if age ∈[5 − 10] and [75 − 85], 0% if age ∈[0 − 5] |
ρ k | 1 |
C k | 1 if individual k is a severe infection, 0 otherwise |
ω | 2 |
\( {n}_i^{\alpha } \) | obtained from the households generated by the model |
α | 0.8 |
\( {m}_i^j \) | obtained from the population and places generated by the model |
death rate | 38.61% |
symptomatic | 50% |