FILE - This undated file photo from the U.S. Department of Agriculture shows an aedes aegypti mosquito on human skin. The popular push for locally-produced food has spawned flocks of backyard chickens in urban neighborhoods nationwide, but as these chickens grow in popularity, pests hitch rides on them and end up biting the family dogs and cats. (AP Photo/U.S. Department of Agriculture, File)
The second West Nile Virus-infected mosquito pool in recent days was found near Boston on Thursday.
AP

A Boston-area mosquito pool tested positive for West Nile Virus, health officials said on Thursday. This is the second positive test in the area this year.

The virus was discovered after tests were conducted on a mosquito pool in Roslindale. On Tuesday, West Nile-infected mosquitos were found in a Jamaica Plain sample.

The news is fairly typical for late summer months, as West Nile has been detected in the Boston area every year since 2000. The Boston Public Health Commission notes that no humans have been diagnosed with a mosquito-borne illness in Boston this year. Last year saw at least six diagnosed cases.

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West Nile has also been detected in mosquito pools near Atlanta, Georgia and in Indiana.