Acute Diarrheal Disease (ADD) is a sudden episode of frequent, loose, or watery stools, lasting typically less than 14 days. It is primarily caused by infections from viruses (e.g., Rotavirus, Norovirus), bacteria (e.g., E. coli, Salmonella), or parasites (e.g., Giardia). ADD is a leading cause of illness and death, especially among young children in low-income countries, but affects people of all ages worldwide.
No active Acute Diarrheal Disease reports in Ohio right now.
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Diarrheal diseases have historically been a major cause of death, with large epidemics like cholera outbreaks shaping public health interventions. The development of Oral Rehydration Therapy (ORT) in the 1960s and 70s was a monumental breakthrough, drastically reducing mortality from diarrhea globally. This simple, affordable solution transformed how diarrheal diseases are managed, particularly in developing nations.
Acute Diarrheal Disease primarily spreads through the fecal-oral route. This occurs when contaminated feces from an infected person or animal are ingested, often indirectly. Common routes include consuming contaminated food or water, touching contaminated surfaces and then one's mouth, or direct person-to-person contact due to poor hand hygiene.
Contagious Period: Varies by disease
Local health department information and state-specific prevention guidance
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Seek care if you experience severe dehydration, bloody stools, high fever, or symptoms lasting more than 3 days. Children under 5, adults over 65, and immunocompromised individuals should seek care earlier.
Emergency symptoms: Severe dehydration, inability to keep fluids down for 12 or more hours, or neurological symptoms require emergency care.
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Global disease surveillance and guidelines from the World Health Organization
View WHO Resources →Disease information on Virus Watcher is reviewed by our Chief Epidemiologist, a former CDC lead analyst for FluSight forecasting. Outbreak data is aggregated from verified sources including BEACON, ProMED, WHO, CDC, and 50+ national health agencies. This information is for educational purposes and should not replace professional medical advice.
Last reviewed: 2026-07-18
No confirmed cases reported in Ohio yet. Here are the latest Acute Diarrheal Disease reports from our global surveillance network.
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