Table 5.
Outbreaks and family clusters involving C. parvum and C. hominis identified in the study period.
| Outbreak/Cluster | Month/Year | Number of Suspected Cases | Number of Confirmed Cases | Number of Cases Typed | Information | Species | Subtype | GenBank Acc. No. |
|---|---|---|---|---|---|---|---|---|
| Outbreak 1 1 | Feb. 2013 |
13 | 6 | 6 | Sweden: veterinary students | C. parvum | IIaA16G1R1 (4 cases) 1 IIdA24G1 (2 cases) 1 |
EU647727 (IIaA16G1R1b) JQ028865 |
| Outbreak 2 | Jan. 2013 |
10 | 2 | 2 | Sweden: foodborne, private dinner, salad was the suspected source of infection | C. parvum | IIaA16G2R1 | DQ192505 |
| Outbreak 3 | May 2014 |
8 | 2 | 1 | Sweden: foodborne, private dinner, no identified source of infection | C. parvum | IIaA17R1 | JX183800 |
| Outbreak 4 | March 2014 |
- | 23 | 13 | Sweden: foodborne, restaurant, parsley was the suspected source | C. parvum | IIdA22G1 | AY166806 |
| Cluster 1 | July 2014 |
5 | 3 | 3 | Sweden: a family, suspected contaminated water well | C. parvum | IIaA15G2R1 | AF164490 |
| Cluster 2 | Nov. 2014 |
2 | 2 | 2 | Portugal: a couple traveling together | C. parvum | IIaA15G2R1 + IIdA19G1 | AF164490 + JF691561 |
| Cluster 3 2 | Feb. 2013 |
3 | 2 | 2 | Thailand: a father and his son traveling together 2 | C. hominis | IiA17 2 | KF679724 |