Table I.

Minimum sample size required to detect at least one copy of a variant for a range of prevalence and power assumptions

Power	Prevalence of variant in population
	0.1%	0.2%	0.5%	1%	2%	5%	10%
70%	1204	602	241	120	60	24	12
80%	1609	804	322	161	80	32	16
90%	2302	1151	460	230	114	45	22