Safety and cleaning
Isolation and cleaning supplies: bleach; face masks that cover nose and mouth (surgical masks, home-improvement masks or scarfs); gloves for entering sick room and doing laundry (latex or nitrile rubber); hand sanitizer; laundry detergent (wash everything on hot); nail brush; paper towels; soap; tissues.
Medicine
Medical supplies: cough drops; over-the-counter cold medicines; pulse oximeter and batteries (there is a pulse-oximeter app available for the iPhone, but none of the doctors we spoke to recommended it); saline nasal spray; thermometer; Tylenol/acetaminophen (children’s or infant’s versions if applicable).
Food and drink
Nutrition supplies: chicken soup; daily multivitamin and vitamin C tablets; electrolyte-replacement drinks (if using sports drinks, cut in half with water); fresh ginger, lemons, dill, fresh or dried oregano; high-calorie, nutrient-rich foods like avocados; honey for throat soothing; pectin-rich foods like bananas and apples.
I found this information on The Wall Street Journal