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Vaccination is the method of delivering a weakened, dead, or parts of a pathogen so the person's immune system gets to familiarise with it and know how to completely neutralise the pathogen effectively and leave no trace behind. In future, if the person gets infected by the same deadly pathogen, the immune system is ready to tackle it quickly. The vaccinated person will not die from the infection and have no symptoms, or the person will just suffer from mild symptoms without needing any hospitalisation.

This technique can also halt further spread of the disease in the population and protect the immunocompromised individuals who legit couldn't get the vaccine. Therefore, reaching herd immunity when the majority are vaccinated and protecting the vulnerable. Additionally, this reduces the chance for the awful pathogen to find a host to replicate, and perhaps even mutate into a deadly strain.

Example, smallpox virus, a.k.a., variola virus, died out in 1980 (verified by the WHO) because many people around the globe got vaccinated, reducing any chance for the virus to get a hold of a suitable host.

In conclusion, GET πŸ‘ VACCINATED πŸ‘ PRONTOπŸ‘!!!!!

Hopefully, I was able to give you a satisfactory answer! πŸ˜„

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Viral_TDM

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βˆ™ 2y ago
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Parker Braun

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βˆ™ 2y ago
Im not sure this is right
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Wiki User

βˆ™ 10y ago

A vaccine - is a weakened form of an existing disease. A doctor injects a weak form of the disease into a patient - so that the patient's immune system creates anti-bodies to fight the invading virus.

Once the weak virus has been eradicated, the anti-bodies remain in the blood-stream - ready to fight off the full strength virus if it invades the body.

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Q: What are vaccines and what are they used for?
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