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Table 1 Default parameter values. Parameter values and distributions used in the computer simulations.

From: Does reservoir host mortality enhance transmission of West Nile virus?

Parameter

Symbol

Mean value

Distribution

Units

Source

Initial number of birds

H

20

constant

(number)

 

Number of mosquitoes

M

1,000

constant

(number)

 

Time between blood meals

1/a

5.0

~ Gamma(10, 0.5)

days

[21, 49]

Mosquitoes' life expectancy

-ln(p)

33.3

~ Exp(ln(p))

days

[21]

Mosquitoes' extrinsic incubation period

n

7.0

~ Gamma(28, 0.25)

days

[50]

Birds' time to infectiousness

-

2

~ Gamma(8, 0.25)

days

[28, 32]

Birds' duration of infectiousness

d

3.25

Gamma(13, 0.25)

days

[28]

Probability of bird-mosquito infection

b m

0.69

constant

(probability)

[51]

Probability of mosquito-bird infection

b h

0.74

constant

(probability)

[51]