The New Strain of Swine Flu Virus is named as ‘G4 EA H1N1 (commonly called G4 virus) having Human Pandemic Potential Discovered in which of the following nation?

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The New Strain of Swine Flu Virus is named as ‘G4 EA H1N1 (commonly called G4 virus) having Human Pandemic Potential Discovered in which of the following nation?

A. Japan
B. China
C. North Korea
D. None of these