Vaccines have been around for a few centuries now and have almost never harmed anyone, which is why I think vaccines are essential for health because they were used for such a purpose. a lot of time, prevents dangerous diseases and has saved countless lives. First of all, the first vaccine ever created was against smallpox, discovered in 1796 by Edward Jenner. The smallpox vaccine was used for almost 300 years before being eradicated, except for two samples contained in laboratories. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get an original essay Over the years, many other once-fatal diseases can easily be treated with a single needle injection. You may think that taking a needle is unnatural and can disrupt the body's natural processes. This is not necessarily true, as it is completely natural for an illness to enter your body so that your body can produce antibodies to fight future infections. Not only that, but vaccines can save lives by protecting innocent citizens by preventing deadly diseases from attacking the body. The WHO (World Health Organization) estimates that since 2000, the measles vaccine alone has saved approximately 17.1 million lives. The WHO, as a credible source for health and wellness, also appears to support the use of vaccines. This may prompt you to claim that a credible source, being a doctor, wrote an article about how vaccines can cause autism. This was a doctor whose theory turned out to be wrong and he was subsequently not allowed to practice medicine. Think about it, would you rather choose between letting your child die of an easily preventable disease or letting them stick a needle in their arm? You will likely realize the importance of getting vaccinated after someone you know, or yourself, becomes infected and seriously affected by an illness that would initially be easy to treat. This is why I would like to believe that vaccinations are necessary and play an important role in keeping you safe and being considerate of others around you..