![West Nile virus has been detected in mosquitoes in Middlesex & Barnstable County, including Waltham (Warrendale & Lakeview area) | walthamma West Nile virus has been detected in mosquitoes in Middlesex & Barnstable County, including Waltham (Warrendale & Lakeview area) | walthamma](https://www.city.waltham.ma.us/sites/g/files/vyhlif6861/f/imce/mosquito_bite_prevention.png)
West Nile virus has been detected in mosquitoes in Middlesex & Barnstable County, including Waltham (Warrendale & Lakeview area) | walthamma
![Figure, Transmission Cycle of West Nile Virus. Contributed Illustration by Bryan Parker] - StatPearls - NCBI Bookshelf Figure, Transmission Cycle of West Nile Virus. Contributed Illustration by Bryan Parker] - StatPearls - NCBI Bookshelf](https://www.ncbi.nlm.nih.gov/books/NBK544246/bin/transmissionWestNile.jpg)
Figure, Transmission Cycle of West Nile Virus. Contributed Illustration by Bryan Parker] - StatPearls - NCBI Bookshelf
![Pathogens | Free Full-Text | Comparative Pathology of West Nile Virus in Humans and Non-Human Animals Pathogens | Free Full-Text | Comparative Pathology of West Nile Virus in Humans and Non-Human Animals](https://www.mdpi.com/pathogens/pathogens-09-00048/article_deploy/html/images/pathogens-09-00048-g001-550.jpg)