1.   The sheets seemed as heavy as blankets and Flit was the only thing that prevented the mosquitoes descending on us like vultures.

2.   And researchers at Colorado State University are developing alternate gene-delivery techniques to prevent mosquitoes from carrying the parasites that cause dengue fever and yellow fever.

3.   Officials credit that decline in part to more residents using repellent, cleaning their house gutters and emptying their birdbaths to prevent mosquitoes from swarming and breeding.

4.   Scientists at New York and Duke universities and the National Institutes of Health have identified two characteristics that prevent some mosquitoes from transmitting the parasite.

5.   The city will also launch an extensive public education campaign on preventing mosquitoes from breeding.

6.   This would prevent the mosquitoes from hatching and, thus, break the cycle of disease.