Today, we know that washing our hands is one of the most important steps we can take to avoid getting sick and spreading germs.

But how we came to know that is pretty fascinating.

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March of Dimes

In the United States, more than 300 kids end up in the hospital for burn injuries every day.

Antibiotics are often part of routine burn treatment — even if the kids don't need them. We've all had experiences like this. It can take up to two days for a doctor to diagnose an infection, so we're given antibiotics as a "just to be safe" measure ... even if our injury isn't infected.

As a result, antibiotic resistance is now considered one of the biggest health threats we face today. Our overuse of antibiotics is leading to record high levels of antibiotic resistance, and infections and injuries that have been treatable for a long time may once again become difficult to get rid of.

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Heroes
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Gates Foundation