"Besides the undead and rival survivors, infection is your worst enemy."


Off Topic:  Improper use of antibiotics is one of the leading causes of the development of antibiotic-resistant super infections.  Drugs such as amoxicillin and penicillin are used for specific reasons (such as disrupting bacterial cell wall growth) and using them for the wrong bacteria can lead to proliferation of opportunistic bacteria, such as C. difficile and E. coli.  The best way to prevent infection is to wash your hands with soap and water.