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.
Infection by the Bordetella pertussis bacteria leads to typical symptoms of the whooping cough, including violent episodes of coughing. Complications of whooping cough can be serious, even life-threatening, especially in infants.For additional symptoms and complications, refer to symptoms of whooping cough.arly symptoms of the whooping cough may be mild and include a runny nose, dry cough, and low-grade fever. Within a few days, symptoms get worse and coughing becomes severe in fits or episodes of coughing that can last up to one minute.