CDC http://www.cdc.gov/pertussis/about/complications.html Pertussis (Whooping Cough) Complications pneumonia, convulsions and brain damage 1-2% of infants who are hospitalized from pertussis will die can be potentially fata complications apnea or pneumonia as complications of whooping cough Pertussis (Whooping Cough) Complications is particularly dangerous in very young children Pertussis (Whooping Cough) Complications can be potentially fata http://www.cdc.gov/pertussis/about/complications.html pertussis 1-2% of infants who are hospitalized from pertussis will die pneumonia, convulsions and brain damage pertussis http://www.cdc.gov/pertussis/about/complications.html http://www.cdc.gov/pertussis/about/complications.html http://www.cdc.gov/pertussis/about/complications.html In infants less than 1 year of age inglés http://www.cdc.gov/pertussis/about/complications.html pertussis more than 50% "Pertussis: Complications" http://www.cdc.gov/pertussis/ "Pertussis (Whooping Cough) Complications" Pertussis: Complications about/complications.html Pertussis (Whooping Cough) Complications "Pertussis (Whooping Cough) Complications" can be potentially fata In infants less than 1 year of age complications In infants less than 1 year of age http://www.cdc.gov/pertussis/about/complications.html complications http://www.cdc.gov/pertussis/about/complications.html coughing so intense Complications: In infants less than 1 year of age http://www.cdc.gov/pertussis/about/complications.html In infants less than 1 year of age http://www.cdc.gov/pertussis/about/complications.html Pertussis (Whooping Cough) Complications pertussis is particularly dangerous in very young children 1-2% of infants who are hospitalized from pertussis will die can be potentially fata Pertussis (Whooping Cough) Complications In infants less than 1 year of age Pertussis (Whooping Cough) Complications pneumonia, convulsions and brain damage can be potentially fata In infants less than 1 year of age Pertussis (Whooping Cough) Complications "Pertussis: Complications"