Whooping cough (pertussis) may be a highly contagious tract infection.
In more Children it's marked by a severe hacking cough sounds like "whoop." Before the vaccine was developed, whooping cough was considered a childhood disease.
Now whooping cough primarily affects youngsters too young to possess completed the total course of vaccinations and teenagers and adults whose immunity has light. Deaths related to whooping cough area unit rare however most typically occur in infants.
That’s why it is so necessary for pregnant girls — and people who can have shut contact with an kid — to be immunized against respiratory disease.