Cause you may put your finger in your nose or rub your eyes but you won't do that with the food containers. If you wash your hands which came in contact with th

Cause you may put your finger in your nose or rub your eyes but you won't do that with the food containers. If you wash your hands which came in contact with the food and its container after eating and avoid touching your face while eating your food then you don't deliver any viruses to your respiratory system.