728x90 반응형 causesofpertussis1 Pertussis (Whooping Cough) Pertussis (Whooping Cough)CausesPertussis is caused by the bacterium Bordetella pertussis. It is highly contagious and spreads through respiratory droplets from coughing or sneezing.SymptomsPertussis has three stages:Catarrhal Stage (1-2 weeks)Symptoms resemble a common cold:Runny noseMild feverMild coughThis stage is the most contagious.Paroxysmal Stage (1-6 weeks)Characterized by severe coughi.. 2024. 11. 19. 이전 1 다음 728x90 반응형