試題詳解

8.All of the following are tenets ofthe hygiene hypothesis except
(A) An increase in allergic disease in developed countries compared to developing countries
(B) Excessive hygiene reduces childhood exposure to commensal and pathogenic microorganisms.
(C) Vaccination increases the developing immune system's experience in facing natural infection.
(D) Widespread use of antibiotics interferes with the use and education of the immune system.
(E) Antibiotic-driven selection of superbacteria perturbs the immune system.