In which nation was the novel strain of swine influenza designated as ‘G4 EA H1N1’ (commonly termed the G4 virus), noted for its human pandemic potential, first identified?
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Answer: B. China
Explanation
Scientific surveillance teams first identified the novel swine influenza strain designated as G4 EA H1N1 in China. Researchers noted that this specific viral strain possessed concerning genetic markers indicating potential human pandemic risks. Pigs sampled across Chinese farming regions provided the initial biological samples where the G4 virus was discovered. Influenza viruses naturally mutate and reassort within animal host populations, occasionally posing risks of zoonotic spillover. The G4 genotype is characterized by its Eurasian avian-like gene backbone combined with pandemic-associated elements. Virologists closely monitor animal populations to detect emerging pathogens before they can transmit efficiently among humans.
Japan maintains rigorous animal health surveillance but was not the country where this specific G4 strain was found. North Korea operates under isolated conditions and did not report the identification of this swine influenza virus. Choosing the none of these option is incorrect because China was indeed the nation where the virus was identified.
- Subject
- Current Affairs
- Category
- World Current Affairs
- Topic
- —
- Difficulty
- medium
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