distribution of generation times (days) |
1.3 + Weibull (scale = 5.67, shape = 2.83) |
[17,18] |
basic reproduction number |
R0 = 2.5 |
assumed |
relative infectiousness of subclinical cases |
csub = 0.5 |
[19,20] |
relative onward transmission from isolated or quarantined cases |
cisol = 0 |
perfect isolation and quarantine assumed |
proportion of subclinical infections |
psub = 0.33 |
[20] |
relative test sensitivity for subclinical infections |
ptestsubclin = 0.65 |
[21] |
household secondary attack rate |
SARhome = 0.2 (other values simulated in figure 1b) |
[12] |
time from testing to return of test result |
ttest = 1 day |
estimated |
test sensitivity (probability of an infected individual testing positive) as a function of the number of days (0–38) since infection. Sensitivity is assumed to be zero more than 38 days after infection. |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
|
[3] |
0.00 |
0.00 |
0.01 |
0.04 |
0.33 |
0.62 |
0.75 |
|
|
7 |
8 |
9 |
10 |
11 |
12 |
13 |
|
|
0.79 |
0.80 |
0.79 |
0.76 |
0.72 |
0.68 |
0.64 |
|
|
14 |
15 |
16 |
17 |
18 |
19 |
20 |
|
|
0.60 |
0.56 |
0.52 |
0.48 |
0.44 |
0.40 |
0.37 |
|
|
21 |
22 |
23 |
24 |
25 |
26 |
27 |
|
|
0.34 |
0.32 |
0.30 |
0.28 |
0.26 |
0.24 |
0.22 |
|
|
28 |
29 |
30 |
31 |
32 |
33 |
34 |
|
|
0.20 |
0.18 |
0.16 |
0.14 |
0.12 |
0.10 |
0.08 |
|
|
35 |
36 |
37 |
38 |
|
|
|
|
|
0.06 |
0.04 |
0.02 |
0.00 |
|
|
|
|
|
proportion of people living in a household of size 1 to 8 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
[4] |
17% |
36% |
19% |
17% |
7% |
3% |
0.7% |
0.6% |
|