No matter where we go in this world, we’re surrounded by billions of microscopic bacteria. Some of it is good for us, and some of it can make us very sick, even in trace amounts. That’s why it’s important to our safety that we maintain rigorous standards for our personal hygiene, and keep our homes and businesses clean. And for many other businesses, such as restaurants, commercial foodservice companies, research facilities, and healthcare providers, the stakes couldn’t be higher.