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Shiga toxin-producing E. coli (STEC): Update on outbreak in the EU (5 July 2011, 11:00)

05 Jul 2011
Shiga toxin-producing E. coli (STEC): Update on outbreak in the EU (5 July 2011, 11:00)

Update since 4 July (11:00): In the EU/EEA, 897 HUS cases, including 33 deaths, and 3 314 non-HUS cases, including 17 deaths, have so far been reported. The table below shows the distribution of reported cases per country.

Since the last update, Germany reports six additional HUS cases and one new HUS fatality, as well as 33 additional non-HUS STEC cases. Three HUS cases and eleven non-HUS STEC cases fell ill within the last 10 days (25 June - 4 July). The last known date of illness onset in a patient with confirmed STEC O104 was 26 June 2011. The last reported date of illness onset among all cases (also without O104 confirmation) was 29 June 2011.

With regards to the outbreak in France (Bordeaux Region), eight cases of bloody diarrhoea and a further seven HUS cases have been identified as of 2 July. Infection with E. coli O104:H4 has been confirmed for six patients with HUS. Eleven of the patients had attended an event in Bègles: seven women and four men, between 31 and 64 years of age. Ten of these eleven reported having eaten sprouts. One previously identified case of HUS, who had no link to the event in Bègles, has been removed from our counts, as she tested positive for E. coli serogroup O145 and not for O104.

Thorough investigations are ongoing. Strains from three patients tested by the French authorities were compared to strains from patients linked to the outbreak in Germany. The comparison showed that the two strains were indistinguishable. This suggests that these two events are related to a common source.

Table 1: Number of probable and confirmed HUS cases and non-HUS STEC cases with associated deaths per EU/EEA Member State as of 5 July, 11:00

 

Member States

Number of HUS cases (deaths)

Number of non-HUS STEC cases (deaths)

Austria

1 (0)

4 (0)

Czech Republic

0 (0)

1 (0)

Denmark

9 (0)

14 (0)

France

6 (0) Confirmed cases*

1 (0) Suspected cases*

2 (0) Confirmed cases**

8 (0) Suspected cases*

Germany

696 (25) Probable and confirmed

155 (7) Suspected cases

3 235 (17)

Greece

0 (0)

1 (0)

Luxembourg

1 (0)

1 (0)

Netherlands

4 (0)

7 (0)

Norway

0 (0)

1 (0)

Poland

2 (0)

1 (0)

Spain

1 (0)

1 (0)

Sweden

18 (1)

35 (0)

The United Kingdom

3 (0)

3 (0)

TOTAL

897 (32)

3 314 (17)

Note: the numbers in this table represent the total number of cases reported at the European level (ECDC) so far. Although daily numbers of reported cases have steadily decreased in the last weeks, these cumulative numbers continue to rise due to reporting delays at the various levels.

* Cases reported from the new outbreak in Bordeaux
** Cases reported earlier, linked to travel to Germany

 
Read more on ECDC site:

EFSA/ECDC Joint Rapid Risk Assessment (29 June 2011) / See all risk assessments on Shiga toxin-producing E. coli (STEC) 

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