New Hampshire

Amebiasis in New Hampshire

Amebiasis is an infection of the intestines, and sometimes other organs, caused by the parasitic amoeba *Entamoeba histolytica*. It is most common in tropical and subtropical regions with poor sanitation, where it can cause diarrheal disease. Track Amebiasis activity and outbreaks specific to New Hampshire.

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What is Amebiasis?

Amebiasis was first clearly described by Dr. Fedor Lösch in Russia in 1875, who identified the causative amoeba in dysenteric stools. It was later differentiated from bacterial dysentery, establishing *Entamoeba histolytica* as a distinct human pathogen. This discovery significantly advanced understanding of infectious diarrhea.

Symptoms

  • Often asymptomatic: Most infected individuals show no symptoms.
  • Mild Intestinal: Loose stools, abdominal pain, stomach cramps.
  • Severe Intestinal (Amebic Dysentery): Frequent, bloody stools (dysentery), severe abdominal pain, fever.
  • Extraintestinal (less common): Liver abscess (fever, right upper quadrant pain), and rarely infections in the lungs or brain.

Transmission

Amebiasis spreads primarily through the fecal-oral route. This occurs when a person ingests cysts of *Entamoeba histolytica* from contaminated food or water. Contamination can happen via infected food handlers, use of human feces as fertilizer, contaminated irrigation water, or direct person-to-person contact in unsanitary conditions.

Contagious Period: Varies by disease

Prevention

  • Practice good hand hygiene, especially after using the toilet and before preparing or eating food.
  • Drink safe water (bottled, boiled, or chemically treated) in areas with poor sanitation.
  • Avoid raw, unpeeled fruits and vegetables, and uncooked foods in high-risk areas.
  • Ensure proper sanitation and safe disposal of human feces.
  • No vaccine is currently available for Amebiasis.

New Hampshire Health Resources

Local health department information and state-specific prevention guidance

We're Monitoring New Hampshire

Our AI-powered surveillance continuously monitors Amebiasis activity across New Hampshire. We track data from state health departments, local hospitals, CDC reports, and 50+ global health sources to provide early warning of emerging threats.

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New Hampshire Health Department

For official state health alerts, vaccination locations, and public health guidance specific to New Hampshire, visit your state health department's website.

→ New Hampshire Department of Health → Find Amebiasis Vaccination Near You → CDC Travel Health Notices

Protecting Yourself in New Hampshire

Whether you live in New Hampshire, are traveling there, or have family in the state, understanding Amebiasis prevention is essential. Follow these evidence-based prevention measures:

Prevention Measures

  • Practice good hand hygiene, especially after using the toilet and before preparing or eating food.
  • Drink safe water (bottled, boiled, or chemically treated) in areas with poor sanitation.
  • Avoid raw, unpeeled fruits and vegetables, and uncooked foods in high-risk areas.
  • Ensure proper sanitation and safe disposal of human feces.
  • No vaccine is currently available for Amebiasis.

When to Seek Care

If you experience symptoms of Amebiasis in New Hampshire, contact your healthcare provider immediately. Early diagnosis and treatment improve outcomes significantly.

Emergency symptoms: If you experience severe symptoms, difficulty breathing, or signs of dehydration, call 911 or go to your nearest emergency room.

Expert Resources & References

Trusted information from leading health organizations

CDC

Official guidance from the U.S. Centers for Disease Control and Prevention

View CDC Resources →

WHO

Global disease surveillance and guidelines from the World Health Organization

View WHO Resources →

Research

Latest peer-reviewed research and clinical studies

View Research →

Medically Reviewed Content

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: 2026-06-03

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