Table 1

Parameters describing the transmissibility and pathogenicity of influenza virus.

Parameter

Baseline values

Sources


Infectivity profiles

Adapted from [13], and consistent (to a scale factor) with [10,15–21]

Latent period

0.5 days

Peak

2.5–3 days

Duration

<10 days

Relative susceptibility

[5,13]

Children (0–18 years)

1.15

Adults (19–65 years)

1

Elderly (>65 years)

1

Proportion of asymptomatic individuals (children, adults, elderly people)

30%

[48]; also used in [6]

Relative infectivity of asymptomatic individuals

50%

Assumption also used in [6]


Carrat et al. BMC Medicine 2006 4:26   doi:10.1186/1741-7015-4-26

Open Data