Why this deadly Whooping cough is making a comeback in North America.

What is Whooping Cough?





Whooping cough (pertussis) is an infection of the respiratory system caused by the bacterium Bordetella pertussis (or B. pertussis). It's characterized by severe coughing spells, which can sometimes end in a "whooping" sound when the person breathes in.





It mainly affects infants younger than 6 months old before they're adequately protected by immunizations, and