Effects of vaccination and population structure on influenza epidemic spread in the presence of two circulating strains

Table 6 Effect on death rate of pre-vaccination

V ₀	Fraction of deaths Pre-vaccination		EffectiveR₀
听	未 = 0.4	未 = 0.9	听
0	0.00542	0.00544	2.34
0.1	0.00442	0.00486	2.12
0.2	0.00328	0.00518	1.90
0.3	0.00279	0.00434	1.68
0.4	0.00254	0.00270	1.46
0.5	0.00047	0.00050	1.24

All results are for 2 age class network model, with delay in introduction of strain-2 of T* = 60 days, and cross-immunity of 60% (未 = 0.4) and 10% (未 = 0.9). The case of pre-vaccination only (蠅₀ = 0) is considered below.

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