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.
Pertussis (Whooping Cough). Pertussis, also known as whooping cough, is a toxin-mediated disease caused by the bacteria Bordetella pertussis.ertussis vaccination reduces the frequency and severity of disease. However, the protective effects of natural pertussis infection and pertussis vaccine wane with time. Unrecognized infections in older children and adults are the most common source of pertussis transmission to infants in the community.