Youth For Public Health

How are you all doing today? It’s April Break and I’m doing well since I’m getting a much needed break from school. Remember the story I told you about my dad in the blog post “Vaccines?”  Today, I want to take that conversation a little deeper. We’re going to talk about polio, what it is, why it mattered in the past, why it matters now when we think about vaccines and public health.

So what exactly is polio? Polio is a viral disease that can cause paralysis, lifelong disability, and even death. Before vaccines existed, outbreaks were unfortunately very common. The article Polio by the Numbers—A Global Perspective explains that before vaccines were introduced in the 1950s, many countries saw huge waves of paralytic polio every few years (Badizadegan, etc). In fact the authors note that “polio historically caused mortality at an estimated rate of 10 percent of paralytic cases,” which is a pretty sad number. 

However, once polio vaccines became available, the world saw one of the most dramatic drops in disease ever recorded. According to the article, the existence and use of polio vaccines prevented FIVE million cases of paralytic polio between 1960 and 1987 (Badizadegan, etc). After 1988, when the Global Polio Eradication Initiative (GPEI) started, the impact became even more massive.

So you might be thinking, “Polio isn’t around anymore, so why should I care?” But that’s exactly the point, since it isn’t around because of vaccines and global cooperation. The article makes it clear that without vaccines, the world would be still seeing hundreds of thousands of paralytic cases every year. In their model of a world with no vaccines, polio cases “oscillate [swing back and forth] around the size of the cohort of surviving infants,” meaning it would still be a constant threat (Badizadegan, etc). Vaccination isn’t just a personal choice, it’s like a shield for protecting our community. When enough people are vaccinated, the virus cannot do anything since it has nowhere to go.

Reading this article reminded me of why my dad’s story matters, and why these conversations matter. Polio is a reminder of what the world used to look like, and what it could look like again if we stop paying attention. Vaccines didn’t just reduce polio. They prevented tens of millions of cases of paralysis and death. They changed the world. And that’s something worth understanding, especially when we’re deciding how to protect ourselves and our communities.