The M Strain by Bradley Michael

A car almost crashes into the house of Donald and Shelly Taylor. Rushing outside to help the motorist, the Taylors find that there is something very odd about the accident. Soon after, they are whisked away by unknown men in white, medical suits. The Taylors soon find themselves imprisoned in an underground room within the Center for Disease Control and Prevention. An agent from Homeland Security and a doctor from the CDC are tasked with finding out what the Taylors know. Why are the Taylors so important? Through major cities like Chicago, Atlanta, and Paris, a deadly virus is spreading. One that could wipe out the entire Earth. Can it be stopped before its too late?