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First Case of West Nile Virus Confirmed in Rhode Island

Residents in East Providence taking steps to prevent mosquito bites and protect against West Nile Virus.

News Summary

The Rhode Island Department of Environmental Management has announced the state’s first confirmed case of West Nile Virus (WNV) in 2025 after a mosquito sample tested positive in East Providence. Health officials have recommended preventive measures to protect residents. Nearby Massachusetts also reports WNV in a separate mosquito sample. With no vaccines or specific treatments available, vigilance is paramount as summer continues. Residents are urged to use repellents and eliminate standing water to deter mosquito breeding.

East Providence – The Rhode Island Department of Environmental Management (RIDEM) has confirmed the state’s first case of West Nile Virus (WNV) for 2025. A mosquito sample containing the virus was collected in East Providence on July 21, prompting health officials to announce preventive measures for residents.

Furthermore, neighboring Massachusetts has reported a detection of WNV in a separate mosquito sample collected in Attleboro on Wednesday. This increase in reported cases underscores the importance of monitoring mosquito populations and protecting the public from potential health risks.

While most individuals infected with West Nile Virus do not exhibit symptoms, approximately 20% may develop flu-like symptoms, including fever. Health officials emphasize that currently, there are no vaccines or specific medications available to treat WNV in humans, making prevention vital.

To safeguard against mosquito bites, health authorities recommend using EPA-registered insect repellents and taking additional precautions such as wearing long sleeves and long pants during early morning and evening hours when mosquitoes are most active. It is also advised to eliminate standing water around properties, as these serve as breeding grounds for mosquitoes. Residents are encouraged to check and repair screens on doors and windows to keep mosquitoes out of the home.

In Rhode Island, the state employs an arboviral surveillance program to monitor for mosquito-borne diseases throughout the season. Weekly test results are made available on RIDOH’s arboviral surveillance webpage to keep the public informed about the ongoing situation.

According to RIDEM, other statewide mosquito samples collected during the current monitoring efforts have not shown any signs of Eastern Equine Encephalitis (EEE) or Jamestown Canyon Virus (JCV). Nevertheless, the detection of WNV highlights the persistent risk of mosquito-borne illnesses in the region.

West Nile Virus is the leading mosquito-borne disease in the United States, typically introduced to the country by infected mosquitoes. The virus can be transmitted to humans through the bite of an infected mosquito, making it crucial for residents to take preventive measures seriously.

Residents seeking more information about West Nile Virus prevention can access resources available at health.ri.gov/mosquito. Those interested in mosquito control initiatives can find details at dem.ri.gov/mosquito.

As the summer season progresses, residents are encouraged to remain vigilant and proactive in their efforts to protect themselves and their families from mosquito-borne diseases, especially following the recent confirmation of West Nile Virus in the state.