Whooping cough, due to Bordetella pertussis and Bordetella parapertussis ... New promising vaccine formulations are under evaluation including adjuvants and live-attenuated vaccines.

FILE - This 2016 illustration provided by the Centers for Disease Control and Prevention, based on electron microscope imagery, depicts Bordetella pertussis bacteria, which causes whooping cough.

FILE - This 2016 illustration provided by the Centers for Disease Control and Prevention, based on electron microscope imagery, depicts Bordetella pertussis bacteria, which causes whooping cough.