The difference between infectious disease is that it is caused by bacteria, virus,parasites or fungi. The disease can be spread directly and indirectly.
Non infectious diseases are known as non communicable disease. They are caused by genetics, environment and lifestyle. They don't pass on person to person.
Wash your hands often.
Get vaccinated.
Use antibiotics.Stay at home if you have signs and symptoms of an infection.
Be smart about food preparation.
Practice abstinence because it's a the only way to not get STDS Don't share personal items.