Table 1 Number of infants tested per year and the number who tested anti‐toxoplasma antibody positive at the screening test and at the confirmatory test.

Year	1999	2000	2001	2002	Total
Number of infants tested	66232	67081	65450	64149	262912
Positive PKU‐card	35	22	25	14	96
Positive serum sample	11	13	19	12	55