This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Management of non Immunised diphtheria contacts include all except - 
Select and explain. 
A. Prophylactic pencillin, B. Single dose of Toxoid, C. Daily throat examinations, D. Throat swab culture
B: Single dose of Toxoid
Answer: B: Single dose of Toxoid 
Explanation: Non immunised close contact should receive prophylactic Penicillin or erythromycin. They should be given1000- 2000 units of antitoxin and actively immunised against diphtheria. The bacteriological surveillance should be continued for several weeks by repeated swabbing at weekly intervals Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 171