The westward spread of West Nile virus across the United States may have been the doing of mosquitoes. “In the past, people assumed that birds played the primary role in the spread of West Nile,” said senior author Jason Rasgon. “However, the rapid spread of West Nile did not follow a leap-frog pattern or move north to south along migratory bird routes like we would expect.” (Courtesy: iStockphoto)
JOHNS HOPKINS (US)—Mosquitoes, not birds as previously thought, may be to blame for West Nile virus’s rapid westward spread across the United States. Continue…
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