August 23rd, 2012
11:00 AM ET

Fast facts on West Nile virus

The recent West Nile virus outbreak is the largest ever seen in the United States, according to new numbers from the Centers for Disease Control and Prevention.

The number of cases so far this year is the highest recorded through September since the disease was first detected in the United States in 1999. As of Tuesday, 48 states had reported human infections. The cases reported to the CDC as of Tuesday total 2,636, including 118 deaths.

Here are some fast facts about the virus. For more on what you need to know to protect yourself and your family, read Elizabeth Cohen's Empowered Patient column.

Background on the West Nile virus

- Symptoms of infection include: fatigue, fever, headache, body aches, rash, and swollen lymph nodes.

- Those who become ill may develop West Nile encephalitis, an inflammation of the brain.

- There is no vaccine or specific treatment for West Nile virus.

- The virus is spread by mosquitoes, which contract West Nile from infected birds.

- According to the CDC, only 1% of people bitten by West Nile-infected mosquitoes become seriously ill.

- It is not known how the virus arrived in the United States.

2012 - 2,636 cases of the West Nile Virus have been reported in 48 states with 118 deaths, according to the CDC.

2011 - 712 cases of West Nile virus are reported in 44 states and the District of Columbia with 43 deaths.

2010 - 1,021 cases of West Nile virus are reported in 40 states and the District of Columbia with 57 deaths.

2009 - 722 cases of West Nile virus are reported in 37 states and the District of Columbia, with 33 fatalities.

2008 - 1,356 cases of West Nile virus are reported in 42 states, with 44 fatalities.

2007 - 3,598 cases of West Nile virus are reported in 43 states, with 121 fatalities.

2006 - 4,269 cases of West Nile virus are reported in 43 states and the District of Columbia, with 177 fatalities.

2005 - 3,000 cases of West Nile virus are reported in 42 states, with 119 fatalities.

2004 - 2,535 cases of West Nile Virus are identified in 40 states and the District of Columbia, with 98 fatalities.

2003 - 9,862 cases of West Nile Virus are identified in the US (2,947 in Colorado alone), with 264 fatalities.

2002 - 4,156 confirmed or probable cases of West Nile Virus are reported in 39 states and the District of Columbia, with 284 fatalities. Illinois and Michigan were the most affected with 884 and 614 cases respectively.

1999 to 2001 - 149 cases of West Nile virus human illness in the United States are reported to CDC and confirmed, including 18 fatalities.

1999 - The first cases of West Nile encephalitis in the Western Hemisphere are reported in the Bronx and Queens boroughs of New York.

1937 - The first case of West Nile virus is reported in Uganda. It is common throughout Africa, Central Asia, and the Middle East.

For more information visit the Centers for Disease Control and Prevention's West Nile Virus home page.

West Nile blamed in death of Illinois official

West Nile widow knew her husband was going to die

Post by:
Filed under: Conditions • Infectious diseases • Public Health

soundoff (2,088 Responses)
  1. RV Repair Fountain Valley


    June 28, 2021 at 07:53 | Report abuse | Reply
  2. RV Repair Shops Near Me


    June 28, 2021 at 10:41 | Report abuse | Reply
  3. Sprinter Repair Costa Mesa


    June 28, 2021 at 11:27 | Report abuse | Reply
  4. RV Repair Shop Near My Location

    This site was... how do I say it? Relevant!! Finally I've found something that helped me. Thank you!


    June 28, 2021 at 11:28 | Report abuse | Reply
  5. Van Wrap Shop Near Me


    June 28, 2021 at 11:54 | Report abuse | Reply
  6. Van Repair Shop Near Me


    June 28, 2021 at 12:04 | Report abuse | Reply
  7. Mercedes Benz Sprinter Chassis Repair


    June 28, 2021 at 12:29 | Report abuse | Reply
  8. RV Repair Shops Near Me Now

    May I simply just say what a comfort to uncover somebody who genuinely knows what they are discussing on the net. You definitely understand how to bring an issue to light and make it important. More and more people should look at this and understand this side of the story. I can't believe you're not more popular given that you certainly have the gift.


    June 28, 2021 at 12:43 | Report abuse | Reply
  9. Sprinter Repair Shop Near Me

    Everything is very open with a really clear explanation of the issues. It was definitely informative. Your website is very helpful. Thank you for sharing!


    June 28, 2021 at 13:02 | Report abuse | Reply
  10. RV Repair Near Me

    You made some good points there. I looked on the net for more information about the issue and found most people will go along with your views on this site.


    June 28, 2021 at 13:09 | Report abuse | Reply
  11. Camper Repair Shop Near Me

    Way cool! Some extremely valid points! I appreciate you writing this write-up plus the rest of the website is extremely good.


    June 28, 2021 at 13:50 | Report abuse | Reply
  12. Nissan High Top Van Repair Shop Near Me


    June 28, 2021 at 14:14 | Report abuse | Reply
  13. RV Repair Mission Viejo

    Pretty! This was a really wonderful post. Many thanks for supplying this information.


    June 28, 2021 at 15:59 | Report abuse | Reply
  14. RV Repair Seal Beach


    June 28, 2021 at 16:12 | Report abuse | Reply
  15. RV Repair Near Me


    June 28, 2021 at 16:16 | Report abuse | Reply
  16. Running Board Repair Dodge Sprinter

    Iím amazed, I have to admit. Rarely do I encounter a blog thatís both educative and interesting, and without a doubt, you've hit the nail on the head. The issue is an issue that too few men and women are speaking intelligently about. I am very happy that I stumbled across this in my hunt for something concerning this.


    June 28, 2021 at 18:58 | Report abuse | Reply
  17. Sprinter Repair Near Me


    June 28, 2021 at 19:27 | Report abuse | Reply
  18. Van Technician Shop

    I really like looking through an article that will make men and women think. Also, thank you for permitting me to comment!


    June 28, 2021 at 21:03 | Report abuse | Reply
  19. RV Repairs Nearby

    Aw, this was an exceptionally nice post. Taking a few minutes and actual effort to make a great articleÖ but what can I sayÖ I procrastinate a whole lot and never seem to get nearly anything done.


    June 28, 2021 at 22:46 | Report abuse | Reply
  20. Dodge Sprinter 3500 2006 Window Repair

    This excellent website truly has all of the information and facts I needed concerning this subject and didnít know who to ask.


    June 28, 2021 at 22:51 | Report abuse | Reply
  21. RV Repair Shops Nearby


    June 28, 2021 at 23:25 | Report abuse | Reply
  22. Camper Repair Near Me

    Wonderful article! We will be linking to this particularly great post on our site. Keep up the good writing.


    June 28, 2021 at 23:38 | Report abuse | Reply
  23. RV Repair Near Me Now

    Spot on with this write-up, I actually believe this amazing site needs a lot more attention. Iíll probably be back again to read through more, thanks for the info!


    June 29, 2021 at 00:24 | Report abuse | Reply
  24. Nearby RV Repair


    June 29, 2021 at 00:47 | Report abuse | Reply
  25. 2004 Mercedes Sprinter Engine Block Repair

    I was able to find good advice from your articles.


    June 29, 2021 at 00:52 | Report abuse | Reply
  26. Camper Repair Shop Near Me

    I truly love your blog.. Great colors & theme. Did you create this site yourself? Please reply back as Iím wanting to create my own website and would love to know where you got this from or exactly what the theme is named. Cheers!


    June 29, 2021 at 02:20 | Report abuse | Reply
  27. Kieth Haley

    Players hope to much better their hands with the cards they replace in this stage. It basically leaves you with a expert fashion that appears like it could be sitting in a real on line casino.


    June 29, 2021 at 03:30 | Report abuse | Reply
  28. Rv Upholstery

    Good post. I learn something new and challenging on websites I stumbleupon everyday. It's always helpful to read content from other writers and practice a little something from their web sites.


    June 29, 2021 at 03:52 | Report abuse | Reply
  29. Nissan Luxury Van Repair Shop

    Way cool! Some extremely valid points! I appreciate you writing this post plus the rest of the website is really good.


    June 29, 2021 at 04:56 | Report abuse | Reply
  30. Executive Van Repair Shop

    bookmarked!!, I love your site!


    June 29, 2021 at 04:59 | Report abuse | Reply
  31. Dodge Sprinter Repair Service

    I used to be able to find good information from your blog posts.


    June 29, 2021 at 05:21 | Report abuse | Reply
  32. Specialty Van Repair


    June 29, 2021 at 06:04 | Report abuse | Reply
  33. Wheelchair Van Repair

    After exploring a number of the blog posts on your site, I honestly appreciate your way of writing a blog. I saved it to my bookmark site list and will be checking back soon. Please check out my web site as well and tell me what you think.


    June 29, 2021 at 06:30 | Report abuse | Reply
  34. Company Van Repair Shop

    I like reading through a post that will make men and women think. Also, thank you for permitting me to comment!


    June 29, 2021 at 06:43 | Report abuse | Reply
  35. Camper Repair Shops Near Me

    Way cool! Some very valid points! I appreciate you penning this article and also the rest of the site is very good.


    June 29, 2021 at 07:21 | Report abuse | Reply
  36. RV Repair Shop Near Me


    June 29, 2021 at 09:42 | Report abuse | Reply
  37. Mercedes Benz Sprinter Repair Shop


    June 29, 2021 at 10:13 | Report abuse | Reply
  38. Camper Repairs Near Me


    June 29, 2021 at 10:34 | Report abuse | Reply
  39. Sprinter Repair Shops Near Me


    June 29, 2021 at 11:11 | Report abuse | Reply
  40. RV Repair California

    This is a topic that is near to my heart... Thank you! Exactly where are your contact details though?


    June 29, 2021 at 11:15 | Report abuse | Reply
  41. RV Repair California


    June 29, 2021 at 11:46 | Report abuse | Reply
  42. RV Repair Seal Beach


    June 29, 2021 at 11:56 | Report abuse | Reply
  43. Sprinter Repair Shops Near Me

    After I initially left a comment I seem to have clicked on the -Notify me when new comments are added- checkbox and from now on every time a comment is added I get four emails with the same comment. There has to be an easy method you are able to remove me from that service? Cheers!


    June 29, 2021 at 12:03 | Report abuse | Reply
  44. RV Repair Near Me Now

    Oh my goodness! Impressive article dude! Thank you so much, However I am experiencing issues with your RSS. I donít know why I cannot subscribe to it. Is there anybody else getting the same RSS problems? Anybody who knows the solution will you kindly respond? Thanx!!


    June 29, 2021 at 12:19 | Report abuse | Reply
  45. Authorized Mercedes Sprinter Service Centers Near Me


    June 29, 2021 at 12:45 | Report abuse | Reply
  46. RV Repair Seal Beach

    Hi, I do think this is a great blog. I stumbledupon it 😉 I am going to revisit once again since I bookmarked it. Money and freedom is the best way to change, may you be rich and continue to guide others.


    June 29, 2021 at 13:03 | Report abuse | Reply
  47. RV Repair Shop Near Me

    After checking out a number of the articles on your site, I seriously appreciate your technique of writing a blog. I book marked it to my bookmark website list and will be checking back soon. Please visit my web site too and let me know what you think.


    June 29, 2021 at 13:18 | Report abuse | Reply
  48. RV Repair Shops Near Me Now

    Everything is very open with a very clear description of the challenges. It was definitely informative. Your website is very useful. Many thanks for sharing!


    June 29, 2021 at 14:21 | Report abuse | Reply
  49. RV Repair Shops Near Me Now


    June 29, 2021 at 14:47 | Report abuse | Reply
  50. RV Repair California


    June 29, 2021 at 14:51 | Report abuse | Reply
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Leave a Reply to Best Window Cleaning Service Near Me Baker, Denver, CO


CNN welcomes a lively and courteous discussion as long as you follow the Rules of Conduct set forth in our Terms of Service. Comments are not pre-screened before they post. You agree that anything you post may be used, along with your name and profile picture, in accordance with our Privacy Policy and the license you have granted pursuant to our Terms of Service.

About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.