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
World Anti-TB Day is 
Select and explain. 
A. 30th January, B. 4th february, C. 24th March, D. 1st December
C: 24th March
Answer: C: 24th March 
Explanation: 24th of March is Observed as Anti-TB day. As this day denotes,identification of TB bacilli by Sir Robe Koch in the year 1882. Ref: Pg. No:317, IAPSM Textbook of Community Medicine