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 |