Viruses like hepatitis a and norovirus come from human intestines. one of the easiest and most effective ways to prevent spreading them is giving employees time off when they ask for it good, proper hand washing separate bathrooms for employees and customers wearing clean uniforms to work

The answer is good and proper hand washing.

Hepatitis A and Norovirus are illnesses that spread through fecal substance interaction with the oral cavity. This means that somebody wasn't washing their hands when taking a dump, and so you have the illnesses for the reason that they touched something you ate.

answer; i believe that the correct answer is (b) communication skills);

d. everyone should be treated fairly.