Quindrell Yarbrough, 29, was charged with aggravated battery in the April 1 attack, Chicago police announced.
He pleaded guilty to the battery charge Wednesday and received the two-year sentence. At the time of the incident, he was on probation for a previous aggravated battery case.
A nurse told ABC7 at the time she was punched in the face on a CTA bus by a man who accused her of trying to give him COVID-19.
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The nurse, who asked not to be identified, said she was wearing a mask and coughed into her elbow.
Yarbrough was already on probation for beating a veteran he accused of cutting in front of him in a store line.
The video in the player above is from an earlier report.