Equine cases of West Nile virus in the U.S. from 2008 to 2021
According to the data, there were 220 cases of West Nile virus (WNV) in horses in the United States in 2021. WNV is a mosquito transmitted infection that exists in wild bird populations. It is transmitted to many animals including horses and humans and can cause severe long-lasting neurological complications. This statistic shows the number of West Nile virus (WNV) cases in horses from 2008 to 2021.