The state had a mumps outbreak in 2016 and 2017 with nearly 3,000 cases.
The miscalculation, which has been corrected, could sharply reduce or eliminate many people's state refunds.
Clouds will increase today and a few showers are possible by tonight. Saturday could bring thunderstorms.
Marcus Price, 36, is accused of intentionally infecting a woman with HIV.
"Upon noticing the hack we immediately began investigating these reprehensible tweets," according to City Hall.
"'Empire' actor Jussie Smollett took advantage of the pain and anger of racism to promote his career," said Chicago Police Department Superintendent Eddie Johnson.
A community listening session is planned for the public Thursday night in the wake of texts exposing an officer's amicable relationship with the leader of a right-wing group.
The Chicago Police Department alleged that "Empire" actor Jussie Smollett faked a hate crime to "promote his career" because he was unhappy with his salary and paid two men $3,500 in a "choreographed" attack. Smollett was arrested and charged with felony disorderly conduct for allegedly filing a false police report.
The actor's lawyers said he "enjoys the presumption of innocence," particularly in light of what they called leaks of "information, both true and false."