NiE Hand Hygiene
THE single most important way to prevent infections is effective hand hygiene - the act of cleaning your hands.
The typical person's hands contain millions of microbes. Most a harmless but some may be disease-causing germs.
Regular hand-washing, particularly before and after certain activities, is one of the best ways to remove germs, avoid getting sick and prevent the spread of infections to others.
You probably don't realise it but you frequently touch your eyes, nose and mouth. Germs from unwashed hands can enter your body from these areas and make you sick.
Removing germs through hand washing also prevents food contamination and the transfer of germs to surfaces like handrails, table tops and toys.
Answer: Zero, because a taller person wants to shake hands with a shorter person. But the shorter person doesn't want to shake hands with him.