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Zika mosquitoes quickly invade, adapt to new climates

Press Trust of India  |  Washington 

The Zika-bearing mosquito Aedes aegypti is not only spreading rapidly but has shown a remarkable ability to adapt quickly to different locales and climates, according to a new study.

The mosquito species, which also transmits yellow fever and chikungunya, has reached as far north as northern California and southern Georgia, said Jeffrey Powell, professor at Yale University in the US.



A pocket of overwintering mosquitoes was also discovered in DC, researchers said.

"This is a dynamic species that is changing rapidly as it adapts to human activities," Powell said.

For instance, Aedes aegypti apparently survives colder winters in DC by entering sewers, which it does not do in other habitats.

In California, the drought may have driven mosquitoes to more populated areas with water sources such as swimming pools.

The species often hitchhikes on products such as ornamental plants or used tires, which are shipped to other parts of the world.

A more benign and close genetic cousin found mostly in sub-Saharan Africa appears to be interbreeding with its more aggressive relative, increasing the risk for the spread of yellow fever in those areas, researchers said.

Powell and colleagues at Yale are studying genetics of the mosquitoes to pinpoint their source of origin.

"We are getting warmer and it won't take much before mosquitoes expand their northern limits," Powell said.

The research was published in the journal Science.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

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Zika mosquitoes quickly invade, adapt to new climates

The Zika-bearing mosquito Aedes aegypti is not only spreading rapidly but has shown a remarkable ability to adapt quickly to different locales and climates, according to a new study. The mosquito species, which also transmits yellow fever and chikungunya, has reached as far north as northern California and southern Georgia, said Jeffrey Powell, professor at Yale University in the US. A pocket of overwintering mosquitoes was also discovered in Washington DC, researchers said. "This is a dynamic species that is changing rapidly as it adapts to human activities," Powell said. For instance, Aedes aegypti apparently survives colder winters in Washington DC by entering sewers, which it does not do in other habitats. In California, the drought may have driven mosquitoes to more populated areas with water sources such as swimming pools. The species often hitchhikes on products such as ornamental plants or used tires, which are shipped to other parts of the world. A more benign and ... The Zika-bearing mosquito Aedes aegypti is not only spreading rapidly but has shown a remarkable ability to adapt quickly to different locales and climates, according to a new study.

The mosquito species, which also transmits yellow fever and chikungunya, has reached as far north as northern California and southern Georgia, said Jeffrey Powell, professor at Yale University in the US.

A pocket of overwintering mosquitoes was also discovered in DC, researchers said.

"This is a dynamic species that is changing rapidly as it adapts to human activities," Powell said.

For instance, Aedes aegypti apparently survives colder winters in DC by entering sewers, which it does not do in other habitats.

In California, the drought may have driven mosquitoes to more populated areas with water sources such as swimming pools.

The species often hitchhikes on products such as ornamental plants or used tires, which are shipped to other parts of the world.

A more benign and close genetic cousin found mostly in sub-Saharan Africa appears to be interbreeding with its more aggressive relative, increasing the risk for the spread of yellow fever in those areas, researchers said.

Powell and colleagues at Yale are studying genetics of the mosquitoes to pinpoint their source of origin.

"We are getting warmer and it won't take much before mosquitoes expand their northern limits," Powell said.

The research was published in the journal Science.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

image
Business Standard
177 22

Zika mosquitoes quickly invade, adapt to new climates

The Zika-bearing mosquito Aedes aegypti is not only spreading rapidly but has shown a remarkable ability to adapt quickly to different locales and climates, according to a new study.

The mosquito species, which also transmits yellow fever and chikungunya, has reached as far north as northern California and southern Georgia, said Jeffrey Powell, professor at Yale University in the US.

A pocket of overwintering mosquitoes was also discovered in DC, researchers said.

"This is a dynamic species that is changing rapidly as it adapts to human activities," Powell said.

For instance, Aedes aegypti apparently survives colder winters in DC by entering sewers, which it does not do in other habitats.

In California, the drought may have driven mosquitoes to more populated areas with water sources such as swimming pools.

The species often hitchhikes on products such as ornamental plants or used tires, which are shipped to other parts of the world.

A more benign and close genetic cousin found mostly in sub-Saharan Africa appears to be interbreeding with its more aggressive relative, increasing the risk for the spread of yellow fever in those areas, researchers said.

Powell and colleagues at Yale are studying genetics of the mosquitoes to pinpoint their source of origin.

"We are getting warmer and it won't take much before mosquitoes expand their northern limits," Powell said.

The research was published in the journal Science.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

image
Business Standard
177 22

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