Champions Juventus's clash against Napoli later on Sunday remained in doubt with the southerners having not travelled to Turin because of two coronavirus cases.
"No, everything is like Saturday," a Napoli spokesman told AFP asked about a possible departure for Turin, hours before kickoff.
The Lega Serie A insisted all the health protocols were in place for the match to safely go ahead as scheduled for Turin at 1845 GMT.
In Rome, Lautaro Martinez gave Antonio Conte's side the advantage after half an hour off a deflected Ivan Perisic effort but Sergej Milinkovic-Savic headed in the equaliser ten minutes into the second half.
Immobile was sent off after 69 minutes for hitting out at Arturo Vidal with Inter's Stefano Sensi also seeing red with minutes to go.
Hellas Verona fell to their first defeat of the season with Jasmin Kurtic scoring after just one minute to give Parma a first win this campaign.