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Webinar Date



Thursday, January 31, 2013
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2:00 PM Eastern 1:00 PM Central
12:00 PM Mountain 11:00 AM Pacific


Webinar Description


Background

West Nile virus (WNV) expanded from a small transmission focus in the New York City area in 1999 and is now found across much of the western hemisphere from central Canada to southern Argentina. WNV successfully adapted to the diverse ecosystems of the North America and enzootic transmission foci (as well as human cases) have been detected in all 48 of the continental United States. During the period from 1999-2012, over 36,000 cases of human disease in have been reported to CDC, which includes approximately 16,000 cases of neuroinvasive disease and 1,500 deaths. Some models estimate that as many as 4 million people have been infected with WNV, and approximately a quarter of those may have experienced some degree of illness from the virus.

CDC tracks WNV human cases and reports of WNV in mosquitoes, birds, sentinel chickens and horses through the ArboNET system. This nationwide surveillance platform was developed in 2000 in conjunction with state health departments to monitor the spread of WNV and track disease trends. During the active WNV transmission season, the ArboNET system provides weekly updates of WNV activity by county. The multi-year historical database acquired by the ArboNET system has been used in identifying areas of recurring high transmission levels, quantifying disease burden and identifying populations segments at risk of serious disease.

Despite the valuable information ArboNET has provided about national and regional WNV trends, and the considerable information discovered about the mosquitoes, birds and environmental components of the WNV transmission cycles over the past 14 years, predicting when and where WNV outbreaks occur remains a significant challenge. Long-term predictions have not proven useful, largely because the interplay among the many biotic and abiotic elements that drive WNV amplification is a complex process that is difficult to model. Short-term surveillance programs based on measuring the amount of WNV circulating in the environment before human cases occur have been more successful; however, WNV environmental surveillance programs can be costly to maintain. The best WNV indicators currently available are based on measuring WNV activity in mosquitoes, birds, and sentinel chickens. With adequate effort, these can provide 2-4 weeks lead time in advance of human cases. This is often sufficient time to implement the adult mosquito control efforts that have demonstrated success in reducing human risk, resulting in fewer human cases.

Objectives

What You Can Expect to Learn Intended Audience About the Webinar

The upcoming webinar will be 60 minutes in length. Upon registering, you will receive dial in instructions and a conference code. Audio will be heard by calling into the conference call line or through your computer speakers and slides of the presentation will be viewed by logging into the website using your conference code. An internet connection is required to view the presentation. The speaker will automatically advance the slides while participants listen and follow along. There will be a question and answer period at the end of the presentation. The cost of the webinar will be free for AMCA Members and $100 USD for Non-Members. Certificates of participation will be mailed to all registered attendees. You are welcome to have as many individuals participate at your location as you want, however, only the registered individual will receive the certificate of participation. One conference code per computer.

About the Speaker


Roger S. Nasci
Chief, Arboviral Diseases Branch
Division of Vector-Borne Diseases
Centers for Disease Control and Prevention

As Chief of the Arboviral Diseases Branch in the Division of Vector-Borne Diseases, Roger Nasci coordinates CDC's activities involving arthropod-transmitted viruses such as West Nile, yellow fever, La Crosse, eastern equine encephalitis, and Chikungunya. The Arboviral Diseases Branch maintains a multi-faceted program that includes epidemiology and diagnostic testing; basic research into virology, transmission ecology and mosquito control; and provides outbreak and emergency response assistance to domestic and international health agencies.

Dr. Nasci began his career at CDC as a research entomologist in 1991. He served as Chief of the Ecology and Entomology Section before becoming Arboviral Diseases Branch Chief in 2006. Prior to joining CDC, Dr. Nasci was an Associate Professor in the Department of Biological and Environmental Sciences at McNeese State University in Lake Charles, Louisiana.

Dr. Nasci received his Bachelor of Science and Master of Science degrees in zoology and microbiology at Ohio University and his Ph.D. in entomology from the University of Massachusetts and was an NIH post-doctoral research associate in the Vector Biology Laboratory at the University of Notre Dame.

Webinar Registration


Please use the following form to register for this conference. You will receive an email confirmation shortly after you complete the registration. Don't forget to add beaconlive.com to your whitelist!

If you are unable to register online or did not receive your confirmation email (don't forget to check your Bulk email folder), please contact our Registration Desk at 866-872-5840 (international callers please dial 972-588-8036). You can also contact us by email Send Email

To register by check or to request an invoice please email us at amca@mosquito.org.

  Members    FREE
  Non Members    $100 USD
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