A highly infectious disease of the respiratory tract, caused by the whooping cough bacilli. The disease occurs in epidemics every 3-4 years.
Whooping cough bacilli Bordetella pertussis.
Mode of transmission - Droplet method and by personal contact.
Incubation period - Usually 7 to 14 days but not more than 3 weeks
· Catarrhal Stage
· Paroxysmal Stage
· Convalescent Stage.
· Running nose
· Irritating cough which gradually becomes paroxysmal within 1-2 weeks.
· Prolapsed rectum
· Sub conjunctiva hemorrhage
· Pneumonia and bronchiectasis
· Early diagnosis
· Isolation and treatment of cases
· Disinfection of discharges from nose and throat are general principles of control
· Early diagnosis is possible only by bacteriological examination of nose and throat Secretions.
· Enthroning may help to shorten the duration of illness.
Activation Immunization: It is a practice to administer pertussis vaccine in combination with diphtheria and tetanus toxoid as DPT vaccine.
It can be treated with antibiotics, usually erythromycin for 2 weeks.