Illinois just became the first state to require insurance companies to cover EpiPen injectors for kids

An Epipen Junior epinephrine auto-injector, produced by Meda AB, sits on a pharmacy counter in this arranged photograph in London, U.K., on Thursday, Dec. 29, 2016. The rapid pace of innovation among drugmakers may continue to be overshadowed by broader investment themes, such as the switch away from defensive stocks into more cyclical industries, during 2017, according to Bloomberg Intelligence. Photographer: Chris Ratcliffe/Bloomberg via Getty Images

(CNN)Illinois Gov. JB Pritzker has signed a law that would require insurance companies to cover costs for kids needing EpiPen injections for cases of severe allergic reactions.