Vaccines work by stimulating the body’s natural immunity to a particular diseasecausing agent such as a virus or bacteria. When an individual is vaccinated against a specific disease, their body produces antibodies that will help them fight off that particular infection if they come into contact with it later on. This means that once someone is vaccinated against a certain disease they are much less likely to get it than someone who isn’t vaccinated. Vaccination also helps protect those around you from getting sick too this is known as herd immunity. By vaccinating a large percentage of people within a population we can create an environment where the spread of infectious diseases becomes difficult or impossible because there aren’t enough unvaccinated individuals for the virus or bacteria to spread between. This is especially important for vulnerable populations such as children who may not be able to receive vaccines due to age restrictions or existing health issues; their safety depends on everyone else being immunized so that they won’t contract any preventable illnesses from them. In addition to protecting individuals from harm caused by certain diseases, vaccinations also help reduce medical costs associated with infections both direct costs such as hospital admissions and indirect costs like lost productivity due to illness leave taken by workers affected by contagious illnesses can be avoided if more people become immunized against different illnesses. Finally, vaccines provide peace of mind; knowing you’re protected against potentially lifethreatening diseases gives you peace of mind when traveling abroad or coming into contact with new people something that money simply cannot buy! So if you haven’t already done so then make sure you talk with your doctor about getting vaccinated today your own health and wellbeing along with those around you depend on it!