Epidemics have been around for as long as time has been recorded. Plagues, viruses, and baterias have all taken advantage of the human body to weaken and destroy. However, as the times changed, so did medical science. Vaccines were soon invented and revolutionized the medical field, making once incurable diseases manageable and even preventable. Yet, despite the overwhelming good vaccinations have brought to advanced countries, many still question the authenticity and benefits of vaccines.
Vaccines help the body defend against a certain strain of virus or bacteria, and trains the body to respond should that strain appear (Dansby). Most vaccines will use a dead form of the virus or bacteria, allowing the immune system to create a defence known as memory cells. These cells will act as warning bells if a live strain enters the body, allowing the body to use the defences gained via the vaccination to destroy the virus. Some of the vaccinations have effects that last for an individual’s lifespan, others may require additional shots called booster shots to remain effective (Ballard).
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With that being said, one may still be asking if the population truly needs vaccines. Currently, there are 14 diseases that are preventable by being vaccinated, which helps keep an epidemic from breaking out or spreading amongst the population. Polio and the black death are some examples of outbreaks that are no longer a threat as long as an individual is vaccinated. These diseases once had disastrous effects on humanity, and it is imperative to keep these at bay (Dansby).
The black death was a plague that invaded Europe, killing nearly one-third of the population in its wake. Medical science was nowhere near the point it is now,
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