Table 2.

Familial cluster outbreak of five COVID-19 cases

Case	Generation	Exposure Factor	Date of Exposure	Date of Onset	Date of Confirmation	First Contact – Confirmation Interval (d)
1	First	Sojourn in Wuhan	21 January 2020	30 January 2020	1 February 2020	11
2	Second	Living together with case 1	23 January 2020	31 January 2020	4 February 2020	12
3	Second	Living together with case 1	23 January 2020	29 January 2020	2 February 2020	10
4	Second	Living together with case 1	23 January 2020	－	11 February 2020	19
5	Third	Living together with case 4	28 January 2020	7 February 2020	10 February 2020	13