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| Adult Mosquitoes Can Pass Zika To T |
| Adult Mosquitoes Can Pass Zika To Their Offspring: Study
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| UNITED STATES OF AMERICA
, 29-August-2016
20:11:53 PM |
| Adult female mosquitoes can pass the Zika virus along to their offspring, US researchers said on Monday, a finding that makes clear the need for pesticide programs that kill both adult mosquitoes and their eggs.
The findings, published in the American Journal of Tropical Medicine and Hygiene, show that as with many related viruses, including dengue and yellow fever, Zika can be transmitted from female mosquitoes to their offspring.
Dr. Robert Tesh of the University of Texas Medical Branch in Galveston, Texas, a study co-author, said the fact that the virus can be passed along to mosquito offspring makes Zika harder to control.
"Spraying affects adults, but it does not usually kill the immature forms - the eggs and larvae. Spraying will reduce transmission, but it may not eliminate the virus," he said.
Although Zika generally causes mild disease in adults, it is a major threat to pregnant women because it has been shown to cause the severe birth defect known as microcephaly and other brain abnormalities.
The ongoing Zika outbreak was first detected last year in Brazil, where it has been linked to more than 1,800 cases of microcephaly, and has since spread rapidly through the Americas.
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