Table 2. Case clustering, species of fish consumed, and time elapsed between fish ingestion and initial symptoms onset for case series of Haff disease patients, Salvador, Brazil, 1 December 2016–31 January 2017 (n=15).
| Case number | Cluster number | Type of fish consumed | Time elapsed between fish ingestion and symptoms onset |
|---|---|---|---|
| Case 1 | Cluster 1 | A + B | 48 – 72 hours |
| Case 2 | Cluster 1 | A + B | 48 – 72 hours |
| Case 3 | Cluster 1 | A + B | 12 – 24 hours |
| Case 4 | Cluster 1 | A + B | 48 – 72 hours |
| Case 5 | Cluster 2 | B | 21 hours |
| Case 6 | Cluster 2 | B | 11 hours |
| Case 7 | Cluster 2 | B | 7 hours |
| Case 8 | Cluster 3 | A | 12 hours |
| Case 9 | Cluster 3 | A | 13 hours |
| Case 10 | No cluster | B | 10 hours |
| Case 11 | Cluster 4 | Unknowna | 7 hours |
| Case 12 | Cluster 4 | Unknowna | 6 hours |
| Case 13 | No cluster | A | 10 hours |
| Case 14 | No cluster | Noneb | NA |
| Case 15 | No cluster | A | 2 – 5 hours |
A: ‘Olho de Boi’ (Seriola spp.); B: ‘Badejo’ (Mycteroperca spp); NA: not available.
a Unknown type of fish consumed.
b Case 14 reportedly did not consume fish, but ate local Afro-Brazilian food, which might have fish by-products used in its preparation.