High. The hospital setting creates a perfect "fish out of water" scenario for the cast.
Sheldon’s extreme germaphobia provides the bulk of the physical comedy. His accidental entry into a restricted room is a series highlight. [S4E23] The Engagement Reaction
"One of the best episodes for Howard's character. It showed he actually grew up a bit while still being the Howard we know." [S4E23] The Engagement Reaction