Microorganisms such as viruses, bacteria, fungus, and parasites cause infectious diseases, which can transmit from person to person. Although infectious disease is an inescapable part of life, there are a variety of strategies available to help us avoid infection and cure disease once it has arisen. Individuals can take some basic efforts, while others are national or worldwide detection, prevention, and treatment methods. All are vital to the health and safety of communities, nations, and global populations. Infection control procedures are essential for preventing infections from spreading from one person to another, such as from a healthcare worker to a patient or vice versa. Infection control in health care and public health contexts refers to a variety of strategies for preventing and controlling the spread of infectious disease.