title: Erratum for the research article: "Interferon-λ restricts West Nile virus neuroinvasion by tightening the blood-brain barrier" by H. M. Lazear, B. P. Daniels, A. K. Pinto, A. C. Huang, S. C. Vick, S. E. Doyle, M. Gale Jr., R. S. Klein, M. S. Diamond.