Volume 32, Number 11—November 2026
Research
Invasive Enterovirus and Parechovirus Infections in Adults, Alberta, Canada, 2023–2025
Table 1
Numbers of specimens tested for enterovirus and parechovirus from adults with invasive infections, Alberta, Canada, 2023–2025
| Specimens | No. (%) specimens/study year |
Total, no. (%) | ||
|---|---|---|---|---|
| 2023 | 2024 | 2025 | ||
| No. specimens received* |
3,723 |
5,767 |
6,131 |
15,621 |
| Positive for virus |
42 (1.1) |
58 (1.0) |
62 (1.0) |
162 (1.0) |
| Positive invasive infection† | 15 (35.7) | 9 (15.5) | 27 (43.5) | 51 (31.5) |
| Cerebrospinal fluid samples | 15 (100) | 8 (88.9) | 17 (63.0) | 40 (78.4) |
| Blood samples | 0 | 1 (11.1) | 7 (25.9) | 8 (15.7) |
| Sterile tissue samples | 0 | 0 | 3 (11.1) | 3 (5.9) |
*All specimens received (sterile and nonsterile sites). †No. (%) virus-positive samples. Counts reflect positive specimens; some patients contributed >1 specimen.
Page created: September 14, 2026
Page updated: October 22, 2026
Page reviewed: October 22, 2026
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