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US West Nile cases, deaths jump in latest week
Source: Agencies |
August 23, 2012, Thursday
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THE number of US West Nile virus infections has jumped more than 60 percent in the past week, putting this year's outbreak on track to be the worst on record, and federal health officials are stumped by its severity.
The US Centers for Disease Control yesterday said 1,118 cases and 41 deaths have been reported so far this year, up from fewer than 700 cases and 26 deaths just one week ago.
That is the highest number of West Nile virus infections reported through the third week of August since the virus was first detected in the United States in 1999, the CDC said. The worst US outbreak occurred in 2003, with 9,862 cases and 264 deaths that year.
Cases usually flare up in the summer because the illness is most often transmitted from infected birds to people by mosquitoes.
Victims may suffer fever and aches that can become severe or even cause death, especially in the elderly, children and other at-risk groups. There is no specific treatment for the infection.
Symptoms are often mild and many people stricken do not see a doctor, meaning cases are likely underreported.
The US Centers for Disease Control yesterday said 1,118 cases and 41 deaths have been reported so far this year, up from fewer than 700 cases and 26 deaths just one week ago.
That is the highest number of West Nile virus infections reported through the third week of August since the virus was first detected in the United States in 1999, the CDC said. The worst US outbreak occurred in 2003, with 9,862 cases and 264 deaths that year.
Cases usually flare up in the summer because the illness is most often transmitted from infected birds to people by mosquitoes.
Victims may suffer fever and aches that can become severe or even cause death, especially in the elderly, children and other at-risk groups. There is no specific treatment for the infection.
Symptoms are often mild and many people stricken do not see a doctor, meaning cases are likely underreported.
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