A lot of people think that JavaScript is a sort of simplified version or spin-off of Java. But in fact the similarity of the names is a coincidence, and the two are unrelated except that both are used to write computer programs that can run inside a web browser.
A vaccine is a medication, usually made from something that is or was alive, that gives immunity to a particular bacterial or viral disease. vaccine is a medication, usually made from something that is or was alive, that gives immunity to a particular bacterial or viral disease.
Vaccination involves putting a small amount of an inactive form of a pathogen into the body. 1  Vaccines can contain: 2  live pathogens treated to make them harmless. 3  harmless fragments of the pathogen. 4  toxins produced by pathogens. 5  dead pathogens.