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.
There are different types of vaccines: 1  Inactivated vaccines contain particles (usually viruses). These have been grown for the purpose. 2  Attenuated vaccines contain live viruses, that have been weakened. They will reproduce, but very slowly, making it an easy win for the immune system.