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Table 5 Effects of varying pre-vaccination fraction on total attack rates for 2-age class network model

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

V 0

R 0

未=0.4

未=0.9

听听

Strain 1+2

Strain 1

Strain 2

Strain 1+2

Strain 1

Strain 2

0

2.34

0

0.661707

0

0.001156

0.660372

0.000374

0.1

2.12

0.000016

0.539788

0.000013

0.035076

0.500271

0.018405

0.2

1.90

0.000463

0.398912

0.000749

0.115638

0.279763

0.117244

0.3

1.68

0.022769

0.205177

0.088641

0.091647

0.135334

0.209307

0.4

1.46

0.007655

0.019366

0.274655

0.014051

0.014563

0.286775

0.5

1.24

0.000339

0.004577

0.051839

0.000754

0.004131

0.054892

  1. In all cases, no vaccination occurs during the epidemic, i.e., 蠅0 = 0, and the delay in appearance of second strain infection is T* = 60 days.
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