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
Last case of small pox came from - 
Select and explain. 
A. Somalia, B. Ethiopia, C. India, D. Bangladesh
A: Somalia
Answer: A: Somalia 
Explanation: <p> The last case of smallpox(variola) minor occurred in Merca,Somalia,in October 1977. Reference:Ananthanarayan & Paniker&;s textbook of Microbiology,9th edition ,page no:463. <\p>