Arboviral Illness Update: West Nile in Nashua

The NH DHHS issued a health alert update on September 16, regarding the identification of West Nile Virus in Nashua, New Hampshire.

NH Division of Public Health Services health alert networkKey Points and Recommendations:

1. The first detection of West Nile Virus (WNV) in New Hampshire for 2016 has occurred in a mosquito batch from Nashua, NH.

2. Healthcare providers should not rely on the presence or absence of positive mosquito or veterinary testing as a criterion for whether or not to test a patient for WNV or EEE. o Healthcare providers should consider mosquito-borne diseases, including WNV and EEE, in patients with compatible clinical syndromes.

3. Residents and visitors of NH are advised to use prevention measures to avoid mosquito bites, including wearing protective clothing, applying insect repellents, and reducing environmental mosquito populations.

  • Equine vaccines are available for both EEE and WNV and should be used to protect horses.
  • Vaccines for WNV and EEE are not available for human use.
  • Prevention measures used to prevent mosquito bites are also effective for preventing tick bites.

4. Healthcare providers should report suspected and confirmed cases of mosquito-borne diseases to the Bureau of Infectious Disease Control at 603-271-4496 (after hours 1-800-852-3345 ext. 5300).

Read the full DHHS alert