Following a flood, residents of a rural community begin experiencing sudden onset of massive watery diarrhea. A 35-year-old woman presents with sunken eyes, poor skin turgor, and “rice-water” stools. She reports drinking untreated well water.
Vibrio cholerae
A daycare outbreak causes watery diarrhea and fever among children and staff.
Shigella sonnei
A healthy adult develops diarrhea, abdominal cramps, fever, and nausea 24 hours after eating raw shrimp.
Vibrio parahaemolyticus
Several backpackers experience mild to severe watery diarrhea lasting 3–5 days after drinking contaminated water during travel. Vomiting is present, but stools remain non-bloody.
ETEC/ Enterotoxigenic E. coli
A traveler presents with prolonged high fever, headache, abdominal pain, and faint rose-colored spots on the trunk after drinking untreated water.
Salmonella typhi
A patient develops fever, abdominal cramps, and bloody diarrhea three days after consuming undercooked chicken.
Campylobacter jejuni
A teenager develops fever and right lower quadrant abdominal pain after eating undercooked pork, mimicking appendicitis.
Yersinia enterocolitica
A family develops fever, nausea, abdominal cramps, and diarrhea 18 hours after eating undercooked chicken at a family gathering.
Salmonella enterica
An immunocompromised patient develops bacteremia following dysentery.
Shigella flexneri
Several people develop diarrhea and fever after consuming raw eggs in homemade desserts.
Salmonella enteritidis