Alessandro is ill with a fever, a cough, and a runny nose. which precaution should he take to his family avoid getting sick? eat more vitamins drink plenty of water cover his mouth when coughing or sneezing get extra rest when he feels tired or achy

cover his mouth when coughing or sneezing

Explanation:

Alessandro has the following symptoms: fever, cough, runny nose

Those are the symptoms of a cold.

A cold is contagious, that is, if he coughs or sneeze close to a family member, this person can also get the cold.

So the correct answer is:

cover his mouth when coughing or sneezing