Whooping cough (pertussis) is a highly contagious respiratory tract infection

In many people, whooping cough (pertussis) is marked by a severe hacking cough followed by a high-pitched intake of breath that sounds like "whoop." Before the vaccine was developed, whooping cough was considered a childhood disease. Now whooping cough primarily affects children too young to have completed the full course of vaccinations and teenagers and [...]
Source: News from Mayo Clinic - Category: Databases & Libraries Source Type: news