covid vaccine. we just haven't done the research, unfortunately, to really be 100% confident. we're relying on data mainly from israel and from brittain to assess that. these studies are critically important and i think their hesitation was the fact that it didn't reduce deaths. what it actually did was reduce cases. and i think that is a legitimate concern. we need a full look at the data. >> and, randi weingarten, are you getting a lot of pushback from teachers to these mask mandates and some of the vaccine mandates? >> no. so we're not getting -- we're getting virtually no pushback on the mask mandates from teachers. we have some parents who are concerned, as you know, i'm an asthmatic, i understand that concern about breathing, but we have to keep people safe. but we are getting some pushback because people are scared about