US cases of West Nile virus soaring: CDC

September 6, 2012

Infections and fatalities from West Nile virus have risen to new record levels in the United States in the first week of September, the Centers for Disease Control said Wednesday.

As of Tuesday, deaths were up 32 percent compared to the previous week. The total now stands at 87 since the beginning of the year, the CDC said.

Total cases including the deaths from the mosquito-borne disease stood at 1,993, a rise of 25 percent since August 30.

The numbers are the highest recorded through the first week of September since the virus was first detected in the United States in 1999, the Atlanta-based CDC said.

While virtually the entire country has been affected by the outbreak, 70 percent of cases are concentrated in six states—Texas, Mississippi, Louisiana, Oklahoma, Michigan and South Dakota.

The record number of cases registered in 2012 could be due to a relatively mild winter, an early spring and hot summer, according to the CDC.

Other factors potentially contributing to the outbreak are birds transporting the virus—first identified in Uganda in 1937—and the exploding mosquito population.

About one in 150 people infected will develop severe illness with symptoms that include , convulsions, , numbness, coma and can cause permanent paralysis and .

Explore further: West Nile deaths in US mount, one dead in Maryland

Related Stories

West Nile deaths in US mount, one dead in Maryland

August 30, 2012
The West Nile virus, responsible for more than 60 deaths in the United States so far this year, has now claimed its first victim in the eastern state of Maryland, state health officials said Thursday.

Officials: West Nile outbreak 1 of largest in US

August 22, 2012
(AP) — There are four times the usual number of cases in the current West Nile outbreak in the U.S. and it's too early to say how bad it will be at year's end, federal health officials said.

West Nile virus kills 17 in Texas, sickens hundreds

August 15, 2012
The US state of Texas is battling an outbreak of the West Nile virus, with 17 deaths being blamed on the mosquito-borne disease, authorities said Wednesday.

CDC: West Nile cases rise 40 percent in 1 week

August 29, 2012
Federal health officials say that West Nile virus cases are up 40 percent since last week and are on pace to rival the record years of 2002 and 2003.

Dallas-fort worth brace for West Nile spraying

August 14, 2012
(HealthDay) -- The Dallas-Fort Worth metropolitan area -- the epicenter of the nation's worst outbreak of West Nile virus this year -- could see aerial spraying of insecticides as early as Thursday night to help control the ...

West Nile virus on the rise in US: CDC

August 2, 2012
(HealthDay) -- With 241 cases of West Nile virus and four related deaths reported so far this year, the United States is experiencing the biggest spike in the mosquito-borne illness since 2004, health officials report.

Recommended for you

Scientists develop infection model for tickborne flaviviruses

August 22, 2017
National Institutes of Health (NIH) scientists have filled a research gap by developing a laboratory model to study ticks that transmit flaviviruses, such as Powassan virus. Powassan virus was implicated in the death of a ...

Zika virus stifles pregnant women's weakened immune system to harm baby, study finds

August 21, 2017
The Zika virus, linked to congenital birth defects and miscarriages, suppresses a pregnant woman's immune system, enabling the virus to spread and increasing the chances an unborn baby will be harmed, a Keck School of Medicine ...

Novel approach to track HIV infection

August 18, 2017
Northwestern Medicine scientists have developed a novel method of tracking HIV infection, allowing the behavior of individual virions—infectious particles—to be connected to infectivity.

Faulty gene linked to obesity in adults

August 18, 2017
Groundbreaking new research linking obesity and metabolic dysfunction to a problem in the energy generators in cells has been published by researchers from the Harry Perkins Institute of Medical Research and The University ...

Two lung diseases killed 3.6 million in 2015: study

August 17, 2017
The two most common chronic lung diseases claimed 3.6 million lives worldwide in 2015, according to a tally published Thursday in The Lancet Respiratory Medicine.

New test differentiates between Lyme disease, similar illness

August 16, 2017
Lyme disease is the most commonly reported vector-borne illness in the United States. But it can be confused with similar conditions, including Southern Tick-Associated Rash Illness. A team of researchers led by Colorado ...

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.