Final answer:
To prevent the spread of illness, wash your hands regularly, avoid communal surfaces, and practice proper respiratory hygiene.
Step-by-step explanation:
To prevent the spread of illness, it is important to wash your hands throughout the day and keep your nails clean. This helps remove germs from your hands and prevent them from spreading to others. Additionally, avoiding communal surfaces like doorknobs and shopping carts can reduce the risk of coming into contact with germs. It is also beneficial to sneeze or cough into your elbow or a tissue to prevent the spread of respiratory droplets.
Learn more about Preventing the spread of illness