TABLE 2.

Prevalence of B19 DNA in blood donors

Reference	No. of samples	No. of B19-positive samples	Frequency	% Prevalence
Tsujimura et al. (339)	560,000	16	1:35,000	0.003
Wakamatsu et al. (351)	257,710	31	1:8,313	0.012
Heegaard et al. (131)	100,000	17	1:5,882	0.017
McOmish et al. (193)	20,000	6	1:3,333	0.03
Jordan et al. (153)	9,568	11	1:870	0.11
Yoto et al. (375)	1,000	6	1:167	0.6