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ECDC - West Nile Virus in Europe and neighbouring countries - Map - 2018 - Updated dec 14

Situation update

[FONT=&quot]Between 23 and 29 November 2018, EU Member States reported 4 human West Nile virus infections by France (2) and Greece (2). The most recent onset date reported by Greece is from week 44, 29 October to 4 November, and France from week 46, 12 to 18 November.

Four cases were reported by EU neighbouring countries, all by Turkey, with the most recent date of onset reported from week 37, 10 to 16 September. All human cases were reported from previously affected areas. One death was reported by Romania this week.[/FONT]

[FONT=&quot]In the same week, no new outbreaks among equids were reported.[/FONT]

[FONT=&quot]In 2018, as of 29 November 2018, EU Member States have reported 1 503 human cases in Italy (577), Greece (311), Romania (277), Hungary (214), Croatia (53), France (27), Austria (20), Bulgaria (15), the Czech Republic (5), Slovenia (3) and Cyprus (1). EU neighbouring countries reported 561 human cases in Serbia (415), Israel (128), Kosovo* (14) and Turkey (4). To date, 177 deaths due to West Nile virus infection have been reported by Greece (47), Italy (45), Romania (43), Serbia (35), Kosovo* (3), Bulgaria (2), the Czech Republic (1) and Hungary (1).[/FONT]

[FONT=&quot]During the current transmission season, 285 outbreaks among equids have been reported by Italy (149), Hungary (91), Greece (15), France (13), Spain (9), Austria (2), Romania (2), Germany (2), Slovenia (1) and Portugal (1).[/FONT]

[FONT=&quot]In accordance with European Commission Directive 2014/110/EU, prospective blood donors should be deferred for 28 days after leaving an area with evidence of WNV circulation among humans unless the results of an individual nucleic acid test are negative.[/FONT]

[FONT=&quot]As expected at this time of the year, only very few cases are currently being reported. However, the latest date of onset was reported from week 46, 12 to 18 November, which represents an unusually late date of onset since in past transmission seasons in the EU/EEA and EU neighbouring countries, the latest date of onset typically occurred between weeks 39 and 42.
ECDC will continue publishing weekly West Nile virus updates until no new cases with disease onset in the previous four weeks have been reported.[/FONT]
ECDC_WNF_Affected_current_season_HumanAndEquidae_EUEEA_22.png
 
Situation update

[FONT=&quot]Between 30 November and 6 December 2018, EU Member States reported one human West Nile virus infection by Hungary. The most recent onset date reported by Hungary was from week 45, 5 to 11 November 2018.

Eighteen cases were reported by EU neighbouring countries, all by Turkey, with the most recent date of onset reported from week 38, 17 to 23 September 2018. In three areas in Turkey human cases were reported for the first time. All other human cases were reported from previously affected areas. Three deaths were reported this week in Turkey (2) and Italy (1).[/FONT]

[FONT=&quot]In the same week, no new outbreaks among equids were reported.[/FONT]

[FONT=&quot]In 2018, as of 6 December 2018, EU Member States have reported 1 503 human cases in Italy (576), Greece (311), Romania (277), Hungary (215), Croatia (53), France (27), Austria (20), Bulgaria (15), the Czech Republic (5), Slovenia (3) and Cyprus (1). EU neighbouring countries reported 579 human cases in Serbia (415), Israel (128), Turkey (22) and Kosovo* (14). To date, 180 deaths due to West Nile virus infection have been reported by Greece (47), Italy (46), Romania (43), Serbia (35), Kosovo* (3), Bulgaria (2), Turkey (2), the Czech Republic (1) and Hungary (1).[/FONT]

[FONT=&quot]During the current transmission season, 285 outbreaks among equids have been reported by Italy (149), Hungary (91), Greece (15), France (13), Spain (9), Austria (2), Romania (2), Germany (2), Slovenia (1) and Portugal (1).[/FONT]

[FONT=&quot]In accordance with European Commission Directive 2014/110/EU, prospective blood donors should be deferred for 28 days after leaving an area with evidence of WNV circulation among humans unless the results of an individual nucleic acid test are negative.[/FONT]
[FONT=&quot]As expected at this time of the year, only very few cases are currently being reported. However, the latest date of onset was reported from week 46, 12 to 18 November, which represents an unusually late date of onset since in past transmission seasons in the EU/EEA and EU neighbouring countries, the latest date of onset typically occurred between weeks 39 and 42. ECDC will continue publishing weekly West Nile virus updates until no new cases with disease onset in the previous four weeks have been reported.[/FONT]
[FONT=&quot]ECDC_WNF_Affected_current_season_HumanAndEquidae_EUEEA_23.png[/FONT]
 
Situation update

[FONT=&quot]Between 7 and 13 December 2018, no new human West Nile virus infections have been reported by EU Member States.

One case was reported by EU neighbouring countries, by Turkey, with date of onset reported from week 39, 24 to 30 September 2018. This case was reported from a previously affected area. One death was reported this week in Turkey.[/FONT]
[FONT=&quot]In the same week, no new outbreaks among equids were reported.[/FONT]

[FONT=&quot]As no new cases with disease onset in the previous four weeks have been reported, this is the final weekly update for the 2018 transmission season.[/FONT]

[FONT=&quot]In 2018, as of 13 December 2018, EU Member States have reported 1 503 human cases in Italy (576), Greece (311), Romania (277), Hungary (215), Croatia (53), France (27), Austria (20), Bulgaria (15), the Czech Republic (5), Slovenia (3) and Cyprus (1). EU neighbouring countries reported 580 human cases in Serbia (415), Israel (128), Turkey (23) and Kosovo* (14). To date, 181 deaths due to West Nile virus infection have been reported by Greece (47), Italy (46), Romania (43), Serbia (35), Kosovo* (3), Turkey (3), Bulgaria (2), the Czech Republic (1) and Hungary (1).[/FONT]

[FONT=&quot]During the 2018 transmission season, 285 outbreaks among equids have been reported by Italy (149), Hungary (91), Greece (15), France (13), Spain (9), Austria (2), Romania (2), Germany (2), Slovenia (1) and Portugal (1).[/FONT]

[FONT=&quot]In accordance with European Commission Directive 2014/110/EU, prospective blood donors should be deferred for 28 days after leaving an area with evidence of WNV circulation among humans unless the results of an individual nucleic acid test are negative.[/FONT]

[FONT=&quot]As no new cases with disease onset in the previous four weeks have been reported, this is the final weekly update for this transmission season. ECDC published an end-of-season epidemiological update.[/FONT]
[FONT=&quot]Graph-WNV-end-of-season-2018.png[/FONT]
 
[FONT=&quot]West Nile virus transmission season in Europe, 2018

[FONT=&quot]In the 2018 transmission season a higher number of cases were reported compared with transmission seasons in previous years. The total number of reported autochthonous infections in 2018 (n= 2 083) exceeds, by far, the total number from the previous seven years (n= 1 832).Compared to the previous transmission season in 2017, there was a 7.2-fold incr[/FONT][/FONT][FONT=&quot][FONT=&quot]ease. The highest increase compared to the previous transmission season was observed in Bulgaria (15-fold) followed by France (13.5-fold) and Italy (10.9).

......................[/FONT]

In 2018, the first cases in the European Union (EU) were notified by Greece in week 26 (25 June to 1 July), with the earliest disease onset on 31 May (week 22). In the EU neighbouring countries the first case was reported by Serbia with a date of onset from week 24.[/FONT]

[FONT=&quot]The last case of this transmission season in the EU was reported by France at the end of November, with a date of onset from week 46. This represents an unusually late date of onset since in past transmission seasons in the EU/EEA and EU neighbouring countries, the latest date of onset typically occurred between weeks 39 and 42.The latest date of onset in the EU neighbouring countries this transmission season was reported by Turkey from week 39 (24 to 30 September).[/FONT]

[FONT=&quot]The total number of reported autochthonous infections in 2018 (n= 2 083) exceeds, by far, the total number from the previous seven years (n= 1 832).Compared to the previous transmission season in 2017, there was a 7.2-fold increase. The highest increase compared to the previous transmission season was observed in Bulgaria (15-fold) followed by France (13.5-fold) and Italy (10.9).

The case fatality ratio (CFR) among the symptomatic cases in 2018 has not exceeded the CFR of the previous two years (9% in 2018 compared with 11% in 2017 and 9% in 2016). The proportion of cases with West Nile neuroinvasive disease (WNND) among symptomatic cases is comparable to the previous two years (68% in 2018 compared with 73% in 2017 and 65% in 2016).[/FONT]

[FONT=&quot]All mosquito-borne autochthonous human cases during the current transmission season were reported in previously affected countries. As in previous years, the virus spread to NUTS 3 areas where no human autochthonous cases had been reported before.[/FONT]
 
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