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.
Introduction. Whooping cough (pertussis) is a highly contagious bacterial infection of the lungs and airways. The condition usually begins with a persistent dry and irritating cough that progresses to intense bouts of coughing.hooping cough is caused by a bacterium called Bordetella pertussis, which infects the lining of the airways, mainly the windpipe (trachea) and the two airways that branch off from it to the lungs (the bronchi).