Might this recumbent horse have West Nile?

The risk of West Nile virus (WNV) infection becoming established in the UK and causing horse cases is considered to be low. There is no current evidence of infection in birds, mosquitoes, animals or humans in the UK, although little testing has been performed in the past. Competent vectors such as Culex modestus are present in the UK. As in other countries, WNV can potentially be introduced to the UK via migratory birds or via imported mosquitoes, birds and animals infected with WNV. Therefore, it is important to be familiar with the clinical presentation and laboratory changes of WNV infection in equids as well as tests used to support a diagnosis ...