Coronaviruses are a type of virus. There are many different kinds, and some cause disease. A newly identified type has caused a recent outbreak of respiratory illness now called COVID-19 that started in China. Lauren Sauer, M.S., the director of operations with the Johns Hopkins Office of Critical Event Preparedness and Response and director of research with the Johns Hopkins Biocontainment Unit, shares information about COVID-19 and what you need to know. How is COVID-19 spread? Recent information indicates COVID-19 may be passed from person to person. There are still a lot of unknowns, including how contagious it might be....