Main period of communicability of whooping cough?
Correct Answer: Catarrhal stage
Description: Ans. is 'c' i.e.,Catarrhal stage Peussis, also called '100 day cough', is caused by Bordetella peussis (only 5% cases are caused by B. parapeussis).there is no cross immunity between B. peussis and B. parapeussis.Period of infectivity (communicability) extends from a week after exposuse to about 3 weeks after the onset of paroxysmal stage. Catarrhal stage is most infective. Secondary attack rate is high, i.e. 90%.
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now