Skip to main content

Table 2 Frequency of primary cases as a function of the numbers of secondary cases per primary case. Data are from [9]

From: Low dispersion in the infectiousness of COVID-19 cases implies difficulty in control

Numbers of secondary cases Frequency of primary cases
0 1241
1 511
2 160
3 71
4 33
5 15
6 7
7 3
8 2
9 3
10 1
11 1
12 1
17 1