How can germs spread? and how can i make sure i don't catch those germs?

Wash your hands: Forget hand sanitizers, and all these potent detergents with bleach. Normal cleaning is fine, but sometimes these strong detergents and disinfectants cause allergies that then make you think you are sick. Also boost up your immune system. This is the best defense towards the germ war. Multivitamin, vitamin c, probiotics, and vit d. But washing your hands with soap and water goes a long way.

Wash hands: Germs refers to organisms which cause an illness. They can be bacterial, viral, or even fungal. Prevention and spread go together. Hand washing is probably the most effective method. Covering your mouth when coughing or sneezing can prevent spread by air. But good hygiene is probably the most effective means of prevention.