They should be aware that if they catch chickenpox, they can be infectious for two days before a rash or illness appears, and be a risk to patients.
Once you're exposed to the virus, symptoms will develop within 10 to 21 days.
Paracetamol is the preferred painkiller for treating the associated symptoms of chickenpox.
Cody then makes a scrambled joke which is followed by maniacal laughter before the video ends.