Leptospirosis is a zoonotic bacterial disease caused by Leptospira bacteria. It primarily affects animals like rodents and livestock, but humans can become infected through contact with contaminated water or soil. It is most common in tropical and subtropical regions worldwide.
Transmission methods vary. Please consult CDC or WHO resources for specific information.
Contagious Period: Varies by disease
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This event envelope contains reports on leptospirosis clusters and outbreaks in Peru.
Source: BEACON - View Full Report
This event envelope includes reports on leptospirosis clusters and outbreaks in American Samoa.
Source: BEACON - View Full Report
This event envelope contains reports on leptospirosis in Brazil.
Source: BEACON - View Full Report
Leptospirosis is an endemic health priority in Mauritius, particularly following heavy rainfall and flooding. The disease is caused by Leptospira bacteria, which are typically transmitted through the urine of infected rodents, often via contaminated water or mud. Authorities typically record dozens of cases each year.
Source: BEACON - View Full Report
Leptospirosis is endemic in Sri Lanka, with seasonal peaks during the monsoon periods. Most cases occur in the wet‑zone agricultural districts, particularly among paddy farmers and others with frequent exposure to flooded fields, marshy land, and contaminated surface water. In recent years, around 9000 to 13000 cases were reported each year.
Source: BEACON - View Full Report
Leptospirosis in Fiji remains a high-burden endemic zoonosis, with recurrent outbreaks closely linked to heavy rainfall, flooding, and environmental exposure in both rural and increasingly urban settings.
Source: BEACON - View Full Report
Leptospirosis in India is endemic mainly in coastal and high-rainfall states such as Gujarat, Kerala, Tamil Nadu, Maharashtra, Karnataka, and the Andaman & Nicobar Islands, with additional transmission reported from other states, and substantial underreporting suspected. A dedicated national guideline and a Program for Prevention and Control of Leptospirosis (PPCL) exist through the National Centre for Disease Control to standardize diagnosis, treatment, and prevention.
Source: BEACON - View Full Report
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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: 2026-04-19
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