West Nile fever in Europe in 2018: an emerging problem or just an anomaly?

Last summer saw an unusually high number of cases of West Nile fever in horses and people in south and south-east Europe, but it is too early to tell if this was a one-off increase or a sign of things to come. Here, Christopher Browne, Eleanor Glendenning, Jolyon Medlock and Helen Roberts discuss the various West Nile fever surveillance and control mechanisms in place in the UK.