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Russia - West Nile Virus outbreak - 6 deaths reported - 450 patients

Gert van der Hoek

In Memoriam - Editor, Senior Moderator
machinetranslated

Dangerous fever in Russia. 23/08/2010

About West Nile fever Russian specialists in medicine have not heard. Recently the staff of the Volgograd regional administration Rospotrebnadzor reported the death of four people in the region from the disease, but just there this summer, recorded 73 cases. Where in our country, this deadly disease? What's happening in Volgograd?

The facts of statistics, presented the press service of the Volgograd Rospotrebnadzor on public display as follows:

among documented in the region of 73 cases of West Nile fever, 65 were registered among residents of Volgograd, the other - in other locations field.

Daily registers 6 -10 new cases. Four people died.

According to representatives of Rospotrebnadzor, is expected to increase the number of diseases.


West Nile virus - a viral infection that may have flu-like form or be accompanied by a severe meningitis and encephalitis - inflammation of the brain. Vectors of mosquito. The existence of this disease is known from 30 years of the last century, when it was first documented in North Africa, from here - and its name. But in a subsequent infection spread to areas with cooler climates.

Major outbreak of West Nile fever occurred in 1999 in southern Russia - Volgograd region, where the disease affected 492 people. Then, in 7,32% of the disease proved fatal. Since this region has seen constant center of this viral infection. To spread the virus there are all conditions: lots of water and high temperature.

According to Rospotrebnadzor, this year the number of mosquitoes there than last year 10 times, and in the Volga-Akhtuba flood-even in 20. Infestation of mosquitoes dangerous virus - 2 times higher. Supposed to be about 2 million people living in this zone are medium and high risk.

According to data available to the health services in Volgograd, for nearly 10 years in this region, the annual pest treatment ponds, where mosquitoes appears, is not implemented in full. Reduced to a minimum, and mosquito treatment basements of apartment houses in cities. All this leads to high incidence of this disease. Meanwhile, according to experts of Medicine, the only way to solve this problem - it is systematic and constant struggle with mosquitoes in their breeding places.

Embassy of Medicine recommends that people of the region as possible to use the means of individual protection, insect repellents, mosquito nets, fumigants and other devices (ultrasonic, ultraviolet, etc.) to repel mosquitoes from the premises.

http://www.medicus.ru/?cont=news

russia.moscow.volgograd.jpg
 
Re: Russia - West Nile Virus outbreak in Volgograd - 5 deaths reported

Re: Russia - West Nile Virus outbreak in Volgograd - 5 deaths reported

West Nile outbreak in Volgograd Region


Aug 23, 2010


Disease control services in the region of Volgograd on the Lower Volga report 108 cases of West Nile in an outbreak which started in mid-July.

Five of these cases were fatal.

The figures in a similar outbreak there in 1999 were respectively 380 cases, including 38 fatal.

Experts say this year?s rainy spring and hot summer created ideal conditions for mosquitoes, which carry the West Nile virus.

http://english.ruvr.ru/2010/08/23/16949623.html
 
Re: Russia - West Nile Virus outbreaks - 6 deaths reported

Re: Russia - West Nile Virus outbreaks - 6 deaths reported

Onishchenko: number of casualties West Nile fever in Russia has grown to six


26/08/2010

MOSCOW, August 26 - RIA Novosti. For six Russians were killed, caught the fever, West Nile, which is carried by mosquitoes, told RIA Novosti on Thursday, chief state sanitary doctor Gennady Onishchenko. First case of human death from the disease recorded outside the Volgograd region.

"A total of six fatalities: five in the Volgograd and one in the Rostov region," - said he.

Earlier it was reported five fatal cases of the disease - in the Volgograd region.

West Nile fever (fever West Nile) - togavirusnaya arbovirus infections, which are carriers of mosquitoes. Mainly affects young children. Observed headache and muscle pain, swollen lymph nodes and skin rash. In adults, there may be signs of encephalitis.

According to Onishchenko, activation of infection associated with abnormal heat, was established in Russia in June and August this year. "The growth of active centers is linked, of course, with the anomalous heat that was in June-August, which creates conditions for breeding populations of mosquitoes," - said Onishchenko.

According to him, for the period from 16 to 25 August in the Volgograd, Rostov, Voronezh, Astrakhan region, as well as in the Krasnodar region recorded 160 cases of West Nile fever.

The largest number of cases - 125 people - in the Volgograd region, including 107 cases in the Volgograd. "All cases confirmed by laboratory" - said the head of Rospotrebnadzor.

According to him, most infected people are aged 60 years and older - 40% of patients. "Patients linked disease with a visit to the country sites, including about 80%", - said Onishchenko.

According to him, yet 20% of patients suggests that they were bitten by mosquitoes at work or at home.

Onishchenko said that experts Rospotrebnadzor actively identify cases, is handling areas by special means against mosquitoes. One of the symptoms of disease are fever and severe headache.

"We expect to cut short this focus in the near future" - reassured Russians Onishchenko, noting that taking all necessary measures to protect the population in those regions where the disease is recorded.

http://www.rian.ru/society/20100826/269151731.html
 
Re: Russia - West Nile Virus outbreak - 6 deaths reported

Re: Russia - West Nile Virus outbreak - 6 deaths reported

206 West Nile fever cases registered in Russia?s Volgograd region, 5 die



01.09.2010, 17.55




MOSCOW, September 1 (Itar-Tass) -- A total of 206 West Nile fever cases have been registered in Russia?s southern Volgograd region since July 16, the local health authorities said on Wednesday, adding that five have died.

?In the period from July 16 through September 1, 2010, a total of 206 West Nile fever cases were registered, including 162 in Volgograd (87 percent), seven in the town of Volzhsky (3.7 percent), 17 ? in other region?s municipalities (9.1 percent),? the local health authorities said in a press release posted on the website of the national consumer rights supervision service, or Rospotrebnadzor.

According to the release, from 10 to 20 new cases are reported daily. The disease is diagnosed in people of all age categories but tells more severely on the elder who have other chronic diseases.

As many as five patients have died of the West Nile fever, mainly those aged 60 and older. The majority of cases (80 percent) are of moderate gravity.

?All those who caught the disease have been hospitalised. They are in satisfactory condition,? the local authorities said.

According to Rospotrebnadzor experts, the Volgograd region?s climatic conditions, natural migration of birds, which nest in the Volga delta in summer, ?create favourable conditions for the spread of the virus and for the formation of a natural focus of the disease, which has activated since 1999.?

West Nile virus (WNV) is a mosquito-borne infectious virus. It is found in both tropical and temperate regions. It mainly infects birds, but is known to infect humans, horse, dogs, cats, bats, chipmunks, skunks, squirrels, and domestic rabbits. The main route of human infection is through the bite of an infected mosquito. Approximately 90% of West Nile Virus infections in humans are without any symptoms. WNV has three different effects on humans. The first is an asymptomatic infection; the second is a mild febrile syndrome termed West Nile Fever; the third is a neuroinvasive disease termed West Nile meningitis or encephalitis. The second, febrile stage has an incubation period of 2 to 8 days followed by fever, headache, chills, diaphoresis (excessive sweating), weakness, lymphadenopathy (swollen lymph nodes), drowsiness, pain in the joints and symptoms like those of influenza or the flu. The more dangerous encephalitis is characterized by similar early symptoms but also a decreased level of consciousness, sometimes approaching near-coma.

http://www.itar-tass.com/eng/level2.html?NewsID=15452893&PageNum=0
 
Re: Russia - West Nile Virus outbreak - 6 deaths reported - 300+ patients

Re: Russia - West Nile Virus outbreak - 6 deaths reported - 300+ patients

machinetranslated

The number of cases of West Nile fever in Russia exceeded 300 people

In the Volgograd region is growing acute viral disease - West Nile Virus (WNV), reported in Rospotrebnadzor.

According to the agency, last week's number of cases of WNV increased by more than a hundred people, from 206 to 319, while five people died. The increase in the number of cases varies from 10 to 20 people daily.

- snip -

First outbreak of this disease in the region was noted in 1999., When 380 people fell ill, 38 of them died. Unfavorable for the disease was and 2007. When the two died of the 63 patients.

- snip -

Doctors do not exclude that the number of patients will only increase as the epidemic season for the disease will continue until mid-October.

http://top.rbc.ru/incidents/08/09/2010/462502.shtml
 
Re: Russia - West Nile Virus outbreak - 6 deaths reported - 300+ patients

Re: Russia - West Nile Virus outbreak - 6 deaths reported - 300+ patients

Volgograd region reports 365 West Nile encephalitis patients



14.09.2010, 18.25



MOSCOW, September 14 (Itar-Tass) - The number of people sickened with West Nile encephalitis in the Volgograd region has increased to 365.

"In the period from July 16 to September 14, 365 cases were registered, including 295 in Volgograd (81 percent), 25 in the town of Volzhsky (6.8 percent) and 45 in municipal districts (12.3 percent), the regional department of the Rospotrebnadzor Federal Service for Supervision of Consumers Protection and Welfare said.

Five WNE patients have died, Rospotrebnadzor said. "The lethal outcomes were reported for the group over 60 years of age (80 percent); they were confirmed in four people by the polymerase chain reaction (PCR) method in laboratories," it said.

All the WNE patients have been hospitalized; medical assistance is being provided to them.

Rospotrebnadzor said the number of patients grows by ten to 20 people a day.

As of September1, there were just 206 WNE patients in the province.

According to Rospotrebnadzor officials, the climate of the region and natural migration of birds of passage that make nests in the estuary of the Volga, create favourable conditions for the breeding of the virus. As a result, the region hosted a stable WNE nidi, which has intensified since 1999, and remains active up to date. Mosquitoes are the main carriers.

http://www.itar-tass.com/eng/level2.html?NewsID=15493309&PageNum=0
 
Re: Russia - West Nile Virus outbreak - 6 deaths reported - 450 patients

From West Nile virus in Russia died six

September 16 2010


(Kazan, September 16, Tatar-inform "). Over the past two months in Russia, West Nile virus infected about 450 people, six of them died, according to " Interfax "referring to the Federal Service.

Clarifies that in the period from July 7 to September 15, the country registered 448 laboratory confirmed cases of infection with West Nile fever.

Most of the victims - in Volgograd, Rostov and Voronezh regions. In Krasnodar, Kalmykia, Astrakhan and Chelyabinsk regions reported sporadic disease.
Fever (encephalitis), West Nile virus is transmitted through the bite of an infected mosquito.

"The rise of morbidity caused by cyclic changes in the biology of the pathogen in view of abnormally warm weather in the summer of 2010," - explained in Rospotrebnadzor.

http://www.tatar-inform.ru/news/2010/09/16/237011/
 
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