Among those criticized was CNN host Brianna Keilar, analyst Kirsten Powers and MSNBC hosts Joy Reid and Nicole Wallace.
MSNBC's Nicole Wallace called out Fox News hosts Tucker Carlson and Laura Ingraham for their comments on Afghan refugees coming to the U.S.
Maddow tweeted that she tested negative for the virus but that she intends to stay at home so that she does not put anyone at risk.