Table A1.

Probabilities of infections during quarantine on different days.

Day	2	4	6	8	10	12	14
probability	p(0–2) = 0.09	p(2–4) = 0.38	p(4–6) = 0.30	p(6–8) = 0.09	p(8–10) = 0.08	p(10–12) = 0.04	p(12–14) = 0.01