This credit card has 15 digits. The sequence begins with 34 or 37 and is split among three groups. The first group has four numerals, the second has six and the last group contains five digits. The four digit CVV number is on the front of the card.
Causes. Pertussis, a respiratory illness commonly known as whooping cough, is a very contagious disease caused by a type of bacteria called Bordetella pertussis. These bacteria attach to the cilia (tiny, hair-like extensions) that line part of the upper respiratory system.
Things to remember. 1  Whooping cough (pertussis) is a very contagious respiratory infection caused by the bacterium Bordetella pertussis. 2  The major symptom of whooping cough is the characteristic cough, which is often followed by a 'whooping' sound on inhalation. 3  One in every 200 babies who contract whooping cough will die.