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Table 1 Parameters applied in the Monte Carlo simulations

From: Negative SARS-CoV-2 PCR or rapid antigen test result and the subsequent risk of being infectious: a mathematical simulation study

Parameter

Value

Reference

Reported SARS-CoV-2 incidences

25, 50, 100 & 200 /100,000 per 7 days

 

Proportion symptomatic infections

0.35

[9]

FNR for PCR test

3%

[10]

FNR for RAT

20%

[6]

Complete infectious period

Gamma (alpha = 4, beta = 1.25)

[7, 8]

Pre-symptomatic infectious period

Gamma (alpha = 4, beta = 0.525)

[7, 8]

Mean infectious periods

alpha * beta

 

Time between PCR positivity and infectiousness

Mean = 12 h (SD: 1)

[11, 12]

Model group size

1000

 

Model runs

2000

 
  1. Abbreviations: FNR False negative rate, PCR Polymerase chain reaction, RAT Rapid antigen test, SD Standard deviation;