You’ve seen plenty of occupational injury stats, here is one that’s startling: In 2012, workers suffered 186,830 nonfatal injuries to the hands and wrists serious enough to warrant days away from work, according to the U.S. Bureau of Labor Statistics.

A puncture wound as small as 0.00725" can be deadly — when it’s made by the tip of a hypodermic needle containing dangerous microorganisms.