It seems like hardly a week goes by without a news story about angry gunmen going on random shooting sprees. Their targets include schools, businesses, churches, and shopping centers, and they can frequently inflict large amounts of casualties long before the police have time to react. The only thing that the shooters seem to have in common is that they are all highly motivated, and the only thing that the victims have in common is that they never expected it to happen to them.
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.
