Table 1 Patient information, clinical symptoms, and distribution of suspected contaminated foods of six Shewanella spp.. Positive patients and a concentrated period of disease onset.
From: Investigation and pathogenetic testing of Shewanella spp. positive diarrhea cases in Beijing, China
Patient no. | Mealtime | Time of onset | Incubation period | Gender | Occupation | Age | Clinical symptom | Suspected exposed food | Purchase location | City of purchase | Number of co-eaters | Whether diarrhea occurred among co-eaters |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
P2 | 17:00 Jul 16 2023 | 5:00 Jul 17 2023 | 12 h | Male | Cadres and staff | 39 | diarrhea (watery stools 10 times/day), nausea, | Herbal tea | Food service establishments | City A (180 km from Beijing) | 1 | / |
P3 | 10:00 Jul 17 2023 | 20:00 Jul 17 2023 | 10 h | Male | Worker | 36 | diarrhea (watery stools 3 times/day), nausea | Icy water and drink | Retail market | Market X in Beijing | 1 | / |
P4 | 12:00 Jul 21 2023 | 21:00 Jul 21 2023 | 9 h | Male | Student | 15 | diarrhea (watery stools 4 times/day), nausea, abdominal pain, dehydration, thirst, vomiting | Seafood | Food service establishments | Tourist attraction Y in city B (240 km from Beijing and 80 km from city A) | 7 | Yes |
P5 | 12:00 Jul 21 2023 | 20:00 Jul 21 2023 | 8 h | Female | Domestic and non-working | 58 | diarrhea (watery stools 6 times/day), fever 39.0 °C | Seafood | Food service establishments | Tourist attraction Y in city B (240 km from Beijing and 80 km from city A) | 20 | Yes |
P6 | 18:00 Jul 21 2023 | 5:00 Jul 22 2023 | 11 h | Male | Business services | 37 | diarrhea (bloody purulent stools 50 times/day), rectal tenesmus | Cold watermelon | Retail market | Market X in Beijing | 1 | / |
P7 | 19:00 Jul 21 2023 | 7:00 Jul 22 2023 | 12 h | Male | Cadres and staff | 56 | diarrhea (watery stools 10 times/day), fever 38.0 °C | Seafood | Retail market | Market Z in Beijing | 2 | Yes |
