Home News Surprising Facts You Might Not Know About Vaccines

Surprising Facts You Might Not Know About Vaccines

You can do a lot in your daily life to prevent disease, stay in shape, and set yourself up for a long, healthy life. However, not even the healthiest habits can protect you from all illnesses. And vaccines are the most effective way to protect yourself — and those around you — from the world’s deadliest diseases.

There’s a lot you might not know about vaccines, too, like how they started, how they’re developed, whether they’re safe, and how effective they are. Let’s take a closer look at everything you might not know about vaccines.

1. Immunizations began with smallpox

The first vaccine was developed to immunize against smallpox.

The first vaccine was developed to immunize against smallpox. An 8-year-old boy received the first ever vaccine. | iStock.com/dk_photos

Smallpox was the first vaccine-preventable disease we eradicated — and the only one thus far. According to HealthyChildren.org, Edward Jenner developed this first vaccine in 1796. Nearly 100 years later, Louis Pasteur developed a rabies vaccine, then the polio vaccine followed in the mid-1900s. Scientists have since developed vaccines for a number of illnesses that used to cost thousands of people their lives.

Next: Here’s how scientists know if a vaccine is safe or not.

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