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Table 2 Default values for the infection parameters in the DCS+TU and the DDE+HNM models

From: Source identification via contact tracing in the presence of asymptomatic patients

Interpretation

Parameter

DCS+TU

DDE+HNM

Exposed time

\(T_E\)

Lognormal distribution with \(\mu =3.22\), \(\sigma =2.3\)

3

Pre-symptomatic time

\(T_P\)

Lognormal distribution with \(\mu =2.3\) and \(\sigma =1\)

2

Infectious time

\(T_I\)

Lognormal distribution with \(\mu =14.0\) and \(\sigma =1\)

14

Hospitalization time

\(T_H\)

Lognormal distribution with \(\mu =7.0\) and \(\sigma =1\)

7

Probability of asymptomatic

\(p_a\)

0.4

0.4

Probability of hospitalization

\(p_h\)

Age dependent (mean is 0.0817)

0.083

Probability of infection

\(p_i\)

Hawkes process with various parameters

on average \(\approx 0.02\) for a contact

0.1

External contacts

\(d_c\)

From mobility simulation, on average 15 each day

3

Number of external infections

caused by a single agent each day

\(d_cp_i\)

On average around 0.3

0.3

Household contacts

\(d_h\)

From data, on average 1.51

2

Number of nodes (agents)

N

9054

400 or 1000