Most mothers are already aware of what is a smallpox vaccine, for those who are not familiar with it yet, well, it was the first successful vaccine to be developed.
Edward Jenner discovered the small pox vaccine in 1976. Before this, the mortality rates reached up to 35% high.
On the other hand, another vaccine was introduced by Jonas Salk, the Polio Vaccine.
Today these types of vaccines play vital roles to our children's lives as these helps the body fight the uncontrollable invasion of certain diseases to our body.
The articles is not complete yet...but it's nice...keep trying bro...
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