HOME >> BIOLOGY >> NEWS
Mosquitoes infected with La Crosse encephalitis found in four Southwest Virginia counties

Blacksburg, Va. -- Virginia Tech entomologists have documented for the first time the presence of mosquitoes infected with La Crosse virus in four Southwest Virginia Counties.

Sally Paulson, an associate professor of entomology, said the find from samples taken last year and recently analyzed was surprising because no human cases of the disease had been reported in the counties before.

"It surprised me to get so many positives from so few samples from a place I wouldn't have expected any," Paulson said.

The counties in which the positive samples were collected for the first time were Montgomery, Giles, Pulaski, and Floyd. The disease had previously been found in the counties of Wise, Dickenson, Buchanan, and Tazewell. About 15 human cases of La Crosse encephalitis have been reported in Virginians in the past 10 years.

The positive results were returned from approximately 135 "pools," samples containing a number of mosquitoes captured at individual locations. Because the laboratory report only reports a positive result from a pool, Paulson said it is impossible to say exactly how many individual mosquitoes were infected.

"We had seven positives reported, and our collecting methods did not target the species that carry La Crosse virus," she said. Paulson and her graduate students collected the samples as part of a project to check for West Nile virus. Different mosquito species are implicated in the two diseases.

The mosquitoes that spread La Crosse virus are members of the Aedes and Ochlerotatus genera. The Eastern Tree Hole Mosquito is the primary vector for the disease, though the Asian Tiger Mosquito has also been implicated in its spread. Both live in woodland habitats but can be abundant in urban and suburban areas.

According to a fact sheet on the disease from the Centers for Disease Control, about 70 people are infected with La Crosse encephalitis nationwide each year, though the agency considers the num
'"/>

Contact: Stewart MacInnis
macinnis@vt.edu
540-231-5863
Virginia Tech
30-May-2003


Page: 1 2

Related biology news :

1. Rutgers-Newark scientist: Mosquitoes may carry lethal parasite
2. Mosquitoes vs. malaria: How we can win the fight
3. Mosquitoes repelled by tomato-based substance
4. Mosquitoes have discriminating tastes, UF researchers find
5. Curing Malaria, Controlling Mosquitoes Symposium Set For AAAS Meeting
6. UF Researcher Designs Pill To Control Mosquitoes
7. Late invasion of infected cells into the brain causes HIV dementia say Temple researchers
8. Children with HIV more likely to utilize health services than infected adults
9. Salmonella uses molecular staples to change structure of infected cells
10. Antiretroviral therapy in HIV-infected children can stop neurological damage
11. Loss of lean body mass in HIV-infected men linked to immunological processes

Post Your Comments:
(Date:4/1/2015)... 2015   Medisafe ™, the leading global medication ... iOS and Android smartphones and tablets, ... the platform to allow patients to track and correlate ... time, patients will be able to visualize in real-time ... biometrics, such as glucose levels and blood pressure. ...
(Date:3/30/2015)... , Mar. 26, 2015 Research and Markets ... of the "Global Gesture Recognition Market in Automotive ... The analysts forecast the Global Gesture Recognition market in ... over the period 2013-2018. Gesture recognition is ... to different gestures of an individual. Gesture recognition technology ...
(Date:3/24/2015)... Mar. 24, 2015 Research and Markets ( http://www.researchandmarkets.com/research/kvdtcw/face_and_voice ... Biometrics - Global Strategic Business Report" report to their offering. ... Voice Biometrics in US$ Thousands by the following Segments: Face Biometrics, ... US, Canada , Japan , ... Middle East & Africa , ...
Breaking Biology News(10 mins):Medisafe Announces Launch of Biometric Integration, Enabling Patients to Stay Adherent to Their Meds and See Tangible Health Results 2Global Gesture Recognition Market in Automotive Sector Report 2015 - Growing Number of Partnerships 2Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 2Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 3Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 4Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 5Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 6
(Date:4/21/2015)... 21, 2015 Progyny, Inc., the new ... announced that it has secured additional capital from investors ... SR One and Merck Serono Ventures. The funding will ... the best fertility outcomes by aligning science, technology, clinics ... marketplace for families seeking fertility solutions and we are ...
(Date:4/20/2015)... 2015 Stent retriever thrombectomy, an endovascular ... the brain reduced disability after stroke, according to ... President of the Society of Vascular and Interventional ... giant step forward that will change the way ... said Jovin, who is associate professor of Neurology ...
(Date:4/20/2015)... PointCross Life Sciences today announced a strategic ... Big Data and globally accessible environment for genomic interpretation ... of clinical trials and nonclinical studies. This platform will ... stratified patient selection and ex post analysis ... Highlighting the timing of this partnership, Dr. ...
(Date:4/20/2015)... 2015 Sinovac Biotech Ltd. (Nasdaq: SVA), a ... its unaudited financial results for the fourth quarter and ... Quarter 2014 Financial Highlights(Compared to the fourth quarter 2013) ... decrease of 11.4% from $22.9 million in the prior ... H5N1 pandemic influenza vaccine of $0.1 million in the ...
Breaking Biology Technology:Announcing Progyny: Combining Best-in-Class Clinical Solutions with Consumer Expertise 2SVIN President Tudor Jovin, MD, Co-Leads Groundbreaking Stroke Study In The New England Journal Of Medicine 2SVIN President Tudor Jovin, MD, Co-Leads Groundbreaking Stroke Study In The New England Journal Of Medicine 3PointCross Life Sciences and InterpretOmics partner for Clinical and Genomic Biomarker Management for Drug Development 2Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 2Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 3Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 4Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 5Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 6Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 7Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 8Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 9Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 10Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 11Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 12Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 13Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 14Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 15Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 16Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 17Sinovac Reports Unaudited Fourth Quarter and Full Year 2014 Financial Results 18
Cached News: