Table. Transmission of West Nile fever, May to November 2011 - Table of cases, 2011

Table
Period: 31 May 2011 - 30 Nov 2011

Cumulative number of West Nile fever cases by affected area in 2011, as of 6 June 2014 (n = 340 cases)  

Coun​​try No by country Area First case reported  Number of cases Population estimates (3,4)
       

total (1)

confirmed (2)  
Greece 100 Aitoloakarnania prefecture 07/10/2011 1 1 217497
    Attiki prefecture 03/08/2011 30 18 4 088 447
    Chalkidiki prefecture 01/09/2011 2 1 100 451
    Evvoia prefecture 01/09/2011 1 0 125316
    Imathia prefecture 03/08/2011 6 3 144 306
    Karditsa prefecture 27/07/2011 9 4 115 323
    Kosani prefecture 31/08/2011 1 0 154383
    Kyklades prefecture 21/09/2011 1 0 111247
    Larisa prefecture 29/07/2011 15 8 286 505
    Magnisia prefecture 11/08/2011 1 0 203945
    Pella prefecture 26/08/2011 8 2 144 955
    Serres prefecture 08/08/2011 5 5 186 782
    Thessaloniki prefecture 29/07/2011 10 2 1 153 959
    Trikala prefecture 11/08/2011 5 4 130 112
    Voiotia prefecture 26/08/2011 5 4 125 316
Hungary 3 Hajdú-Bihar county 12/12/2011 1 1 542 192
    Pest county 01/01/2012 1 1 1 213 290
    Szabolcs-Szatmár-Bereg county 01/01/2012 1 1 565 326
Italy 14 Belluno province 10/10/2011 1 1 214 026
    Olbia province 18/10/2011 1 1 154 319
    Oristano province 06/10/2011 3 3 167 295
    Udine province 02/11/2011 2 2 539 723
    Treviso province 09/09/2011 6 6 879 408
    Venezia province 09/09/2011 1 1 853 787
Romania 11 Bucuresti municipality 01/09/2011 6 6 1 944 367
    Constanta county 17/08/2011 2 2 721 896
    Galati county 21/07/2011 1 1 611 040
    Iasi county 06/10/2011 1 1 823 388
    Tulcea county 27/07/2011 1 1 248 367
Albania 2 Lezhe prefecture 12/08/2011 2 - n/a
Former Yugoslav Republic of Macedonia 4 Skopje region 13/09/2011 4 - n/a
Israel 39 Central district 08/09/2011 15 - n/a
    Haifa district 19/07/2011 8 - n/a
    Northern district 19/07/2011 10 - n/a
    Tel Aviv district 08/09/2011 6 - n/a
Russian Federation 153 Astrakhan oblast 16/08/2011 18 - n/a
    Chelyabinskaya oblast 27/10/2011 2 - n/a
    Krasnodarskiy Kray 01/12/2011 7 - n/a
    Rostovskaya oblast 12/08/2011 16 - n/a
    Tambovskaya oblast 20/10/2011 1 - n/a
    Tatarstan Republic 13/09/2011 1 - n/a
    Volgogradskaya oblast 22/07/2011 61 - n/a
    Voronezhskaya oblast 04/08/2011 47 - n/a
Tunisia 3 Kebili province 02/11/2011 3 - n/a
Turkey 3 Antalya province 12/09/2011 1 - n/a
    Mugla province 12/09/2011 1 - n/a
    Sakarya province 12/09/2011 1 - n/a
Ukraine 8 Donets'ka oblast 21/11/2011 3 - n/a
    Mykolayivs'ka oblast 11/11/2011 2 - n/a
    Zaporiz'ka oblast 11/11/2011 3 - n/a

1) For EU countries, cases meeting laboratory criteria for case confirmation or for a probable case as per EU case definition for West Nile fever 2) For EU countries, cases meeting criteria forconfirmed case as per EU case definition for West Nile fever 3) For EU countries, population estimates for 2009 provided at NUTS3 level by EUROSTAT 4) For neighbouring countries, see United Nations Department of Economic and Social Affairs/Population Division

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West Nile virus infection

Most human infections are asymptomatic and the majority of clinical cases are mild and present with flu-like symptoms. In more severe cases there may be signs of encephalitis, meningo-encephalitis or meningitis.