.To prevent and control the spread of infectious disease there are 3 interventions directed at variouslinks in the chain of infection. 1. Eliminate or contain the reservoirs of infectious agents; 2. Interruptthe transmission of infectious agents; and 3) Protect the host against the infection and disease.Discussion Question: According to you which one of the above-mentioned interventions is best tocontrol the infection in healthcare settings and Why?Answer:Protect the host against infection and disease.Germs may be found in almost any location. Germs(microbes) can be found in the air, on food, plants, and animals, in the soil and water, and on almostany other surface, including your own skin. You won’t be harmed by most microorganisms. Yourimmune system defends you against disease-causing organisms. Some bacteria, on the other hand,are formidable foes because they’re always evolving in order to get past your immune system’sdefenses. Understanding how germs function might help you stay healthy.According to www.mayoclinic.org Hand-washing is another way to avoid illnesses.Handwashing is one of the simplest and most efficient ways to protect oneself against germs and mostdiseases, yet it is often forgotten. Hands should be washed for at least 20 seconds with soap andwater. Before preparing or eating food, coughing or sneezing, changing a diaper, or using therestroom, wash your hands. Vaccines. When soap and water aren’t available, alcohol-based handsanitizing gels containing at least 60% alcohol can provide protection. For some illnesses, vaccinationis your greatest line of defense. The list of diseases that can be avoided by vaccinations continues torise as researchers learn more about what causes disease. Vaccines are administered to children ata young age.The following are some of the host defenses that guard against infection. Nonspecific immuneresponses (eg, phagocytic cells [neutrophils, macrophages] and their products) Specific immuneresponses (eg, antibodies, lymphocytes)Host immunological responses are thought to be important inregulating infection both during primary infection and in the carrier state. By maturity, the majority ofpeople have been infected with EBV and developed humoral and cellular immu