Table 1. Main characteristics of cryptosporidiosis outbreaks with more than five cases, Spain, June–October 2023 (n = 20)a .
| ID | Settingb | All casesc | Confirmed cases (n) | Comments | |||
|---|---|---|---|---|---|---|---|
| Total | Aged < 15 years | Males | Females | ||||
| 1 | Community | 539 | 69 | 28 | 34 | 35 | Cryptosporidium hominis detected in water supply, different genotypes from case samples |
| 2 | Closed setting | 443 | 5 | 0 | 3 | 2 | Water tank most likely source, Cryptosporidium not detected from water samples |
| 3 | Swimming pool | 119 | 27 | 19 | 11 | 16 | Public pool |
| 4 | Urban fountain | 53 | 53 | 53 | 33 | 20 | Not drinking water |
| 5 | Swimming pool | 15 | 15 | 15 | 7 | 8 | Public pool |
| 6 | Hotel | 14 | 1 | 0 | Unknown | Identified after the hotel closed at the end of the season | |
| 7 | Swimming pool | 13 | 13 | 13 | 7 | 6 | School pool |
| 8 | Community | 11 | 11 | 9 | 6 | 5 | Cryptosporidium spp. detected in water supply, different genotypes involved (human samples) |
| 9 | Swimming pool | 10 | 10 | 8 | 6 | 4 | Public pool |
| 10 | Swimming pool | 10 | 10 | 10 | 4 | 6 | Public pool |
| 11 | Swimming pool | 10 | 5 | 5 | 3 | 2 | Camping pool |
| 12 | Swimming pool | 8 | 8 | 6 | 5 | 3 | Public pool |
| 13 | Hoteld | 8 | Unknown | NA | NA | No comments | |
| 14 | Household | 8 | 8 | 8 | 4 | 4 | No comments |
| 15 | Swimming pool | 7 | 7 | 7 | 5 | 2 | Public pool |
| 16 | Swimming pool | 7 | 7 | 7 | 4 | 3 | No comments |
| 17 | Hoteld | 7 | Unknown | NA | NA | No comments | |
| 18 | Nursery | 7 | 7 | 6 | 6 | 1 | No comments |
| 19 | Community | 6 | 6 | 3 | 4 | 2 | No comments |
| 20 | Hoteld | 6 | Unknown | NA | NA | No comments | |
ID: identification code; NA: not applicable; spp.: multiple species.
a Notified to the National Centre of Epidemiology case-based and the outbreak-based reporting system.
b Most likely setting according to local epidemiological investigations.
c Outbreaks with a missing number of confirmed cases are those for which no cases related to the outbreak have been identified or reported in the case-based reporting system.
d Hotel-associated outbreaks among foreign tourists; the source of the infection was not identified.