This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
WHO declared COVID- 19 as Global pandemic on: 
Select and explain. 
A. 11th Feb 2020, B. 11th March 2020, C. 30th Jan 2020, D. 15th March 2020
B: 11th March 2020
Answer: B: 11th March 2020 
Explanation: COVID- 19: Origin- Wuhan, China 1st Dec, 2019- 1st case was repoed 1st Jan, 2020- Wuhan seafood market was closed 7th Jan, 2020- Chinese health authority identifies Novel Corona virus 30th Jan, 2020- 1st case repoed in India (Kerala); WHO declared it as Health emergency of international concern 11th Feb, 2020- Name COVID-19 by WHO 11th March, 2020- WHO declared COVID- 19 as global pandemic