how will be safe from diseases

Handle & Prepare Food Safely Food can carry germs. Wash hands, utensils, and surfaces often when preparing any food, especially raw meat. Always wash fruits and vegetables. Cook and keep foods at proper temperatures. Don't leave food out - refrigerate promptly.
Wash Hands Often
Clean & Disinfect Commonly Used Surfaces Germs can live on surfaces. Cleaning with soap and water is usually enough. However, you should disinfect your bathroom and kitchen regularly. Disinfect other areas if someone in the house is ill. You can use an EPA certified disinfectant (look for the EPA registration number on the label), bleach solution, or rubbing alcohol.
Cough & Sneeze Into Your Sleeve
Don't Share Personal Items Avoid sharing personal items that can't be disinfected, like toothbrushes and razors, or sharing towels between washes. Needles should never be shared, should only be used once, and then thrown away properly.
Get Vaccinated Vaccines can prevent many infectious diseases. There are vaccines for children and adults designed to provide protection against many communicable diseases. There are also vaccines that are recommended or required for travel to certain parts of the world. Our Immunization Program can advise you on immunizations and clinics where you to get needed shots.
Avoid Touching Wild Animals Be cautious around wild animals as they can spread infectious diseases to you and your pets
Stay Home When Sick

I hope my answer helped you.

-Alyannahqtzy