MERS-CoV, short for Middle East Respiratory Syndrome coronavirus, first surfaced in Saudi Arabia in spring 2012. As of Wednesday, 571 cases of MERS have been confirmed in 18 countries, according to the World Health Organization. Two of those cases were in the United States. There have been 171 deaths worldwide. Here are five things you should know about MERS: It’s a coronavirus MERS is in the same family of viruses […]