MS-DOS resulted from a request in 1981 by IBM for an operating system to use in its IBM PC range of personal computers. Microsoft quickly bought the rights to 86-DOS from Seattle Computer Products, and began work on modifying it to meet IBM's specification.
Complications from whooping cough can include weight loss, loss of bladder control, fainting, rib fractures from severe coughing, and pneumonia. A small percentage of adolescents and adults with whooping cough need to be hospitalized for their illness. In one study, 61% of adults with whooping cough missed work.
Signs and symptoms of whooping cough. The illness usually starts like a 'cold' with runny nose and a cough which is not like the spells of coughing later in the illness. After several days the long spells of coughing start, causing difficulty breathing during the spells.hooping cough (pertussis). Whooping cough (also called pertussis) is an infection of the nose, throat and lungs which causes long bursts of coughing (up to several minutes long). In young children the coughing spell often ends in a 'whooping' noise when the child can finally take a breath in.