The brain parenchyma has a type I interferon response that can limit virus spread.
Drokhlyansky, Eugene, Didem Göz Aytürk, Timothy Soh, Ryan Chrenek, Elaine O’Loughlin, Charlotte Madore, Oleg Butovsky, and Constance Cepko. 2017. “The Brain Parenchyma Has a Type I Interferon Response That Can Limit Virus Spread.”. Proc Natl Acad Sci U S A 114 (1): E95-E104.