A non-laminated, solid plastic composition able to withstand being maintained easily.

Glass/plastic shields on table games and perhaps between slots.

Entrance body temp screening arches/towers.

Reoutfitting of gaming floor; furniture distance and layout shields; easy, constant cleaning.

Janitorial stationing, galore.

...and probably a thousand other measures to help cut down the spread... considering the known facts (deaths) caused by the seasonal flu where millions of people do dot get their shots.