Cách sử dụng
An infection is a sickness caused by germs like bacteria or viruses that make you feel sick. It can happen in different parts of your body like your throat, your skin, or your stomach. These germs can spread from one person to another, so it's important to wash your hands and cover your mouth when you cough or sneeze! If you feel sick, you should see a doctor and they can give you medicine to help you feel better.