Lemon ginger tea, and gargle with salt water.

Eta: I hate tea and rarely use salt so you know I'm sick if I touch those things. Good point about t he toothbrushes, rts!

Eta: anybody else notice the new tv ads about the kids learning to go potty, have the kids flushing an OPEN ie lid up toilet seat right at the kids' face level??!! Welcome to cootie city! Please! Lid down, then flush!