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E. COLI EHEC - USA (28): O157, ROMAINE LETTUCE

E. COLI EHEC - USA (28): O157, ROMAINE LETTUCE

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A ProMED-mail post <http://www.promedmail.org> ProMED-mail is a program of the International Society for Infectious Diseases <http://www.isid.org>

Date: Tue 26 Nov 2019
Source: Centers for Disease Control and Prevention (CDC) [edited] <https://www.cdc.gov/ecoli/2019/o157h7-11-19/index.html>


Since the previous update on 22 Nov 2019, an additional 27 ill people have been reported. As of 25 Nov 2019, a total of 67 people infected with the outbreak strain of _Escherichia coli_ O157:H7 have been reported from 19 states.

State / Ill people
------------------
Arizona / 3
California / 4
Colorado / 1
Idaho / 3
Illinois / 1
Maryland / 4
Michigan / 1
Minnesota / 3
Montana / 1
Nebraska / 1
New Jersey / 1
New Mexico / 2
Ohio / 12
Oregon / 1
Pennsylvania / 3
Texas / 2
Virginia / 2
Washington / 1
Wisconsin / 21
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Total / 67

Illnesses started on dates ranging from 24 Sep 2019 to 14 Nov 2019. Ill people range in age from 3 to 89 years, with a median age of 25. 67 per cent of ill people are female. Of 50 ill people with information available, 39 hospitalizations have been reported, including 6 people who developed hemolytic uremic syndrome (HUS), a type of kidney failure. No deaths have been reported.

Investigation of the outbreak
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Epidemiologic, laboratory, and traceback evidence indicate that romaine lettuce from the Salinas, California growing region is the likely source of this outbreak. FDA and states continue to trace the source of the romaine lettuce eaten by ill people. Preliminary information indicates that some of the ill people ate lettuce grown in Salinas, California. No common grower, supplier, distributor, or brand of romaine lettuce has been identified.

CDC continues to advise that consumers not eat, and retailers not sell, any romaine lettuce grown in Salinas, California. The investigation is ongoing to determine the source of contamination and whether additional products are linked to illness.

This outbreak is caused by the same strain of _E. coli_ O157:H7 that caused outbreaks linked to leafy greens in 2017 and to romaine lettuce in 2018.

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communicated by: ProMED-mail <promed@promedmail.org

[On 14 Nov 2019, ProMED-mail first posted on 3 cases of O157 infection occurring in the Eau Claire, WI area. Since the last CDC post on 24 Nov 2019, 2 days ago, 27 more cases have been recognized. It is not that the 27 cases occurred in the 2 days but, rather, that they occurred previously and have now, through testing, been shown to be associated with the outbreak. We await additional updates on the total in Wisconsin and nationwide. - Mod.LL

HealthMap/ProMED map available at: United States: <http://healthmap.org/promed/p/106>]

[See Also:
E. coli EHEC - USA (27): O157, romaine lettuce http://promedmail.org/post/20191124.6793708
E. coli EHEC - USA (26), possible salad source http://promedmail.org/post/20191121.6789750
E. coli EHEC - USA (25): (OR) ground beef, recall http://promedmail.org/post/20191120.6785356
E. coli EHEC - USA (24): (MD) O157, prepackaged salad http://promedmail.org/post/20191118.6785355
E. coli EHEC - USA (23): (WI) http://promedmail.org/post/20191117.6783064
E. coli EHEC - USA (22): (WI) O157, possible salad source, RFI http://promedmail.org/post/20191114.6778989
E. coli EHEC - USA (21): (KY) siblings http://promedmail.org/post/20191031.6756403
E. coli EHEC - USA (20): (MN) O157, state fair, livestock exposure http://promedmail.org/post/20190919.6682768
E. coli EHEC - USA (19): (Philadelphia) http://promedmail.org/post/20190905.6659371
E. coli EHEC - USA (18): (MN) lake swimming http://promedmail.org/post/20190822.6635293
E. coli EHEC - USA (17): (MN) lake swimming http://promedmail.org/post/20190815.6622983
E. coli EHEC - USA (16): (SD) http://promedmail.org/post/20190731.6598318
E. coli EHEC - USA (15): (ME) O26, ex Iceland (SL) http://promedmail.org/post/20190722.6581313
E. coli EHEC - USA, Canada: O103, O121, ground bison, alert, recall http://promedmail.org/post/20190717.6572099
E. coli EHEC - USA (14): (CO) O157, restaurant http://promedmail.org/post/20190713.6566584
E. coli EHEC - USA (13): (CA) county fair, fatal http://promedmail.org/post/20190705.6554115
E. coli EHEC - USA (12): (CA) county fair, fatal http://promedmail.org/post/20190701.6545757
E. coli EHEC - USA (11): (MO) http://promedmail.org/post/20190623.6534267
E. coli EHEC - USA (10): O26, flour, alert, recall http://promedmail.org/post/20190615.6522440
E. coli EHEC - USA (09): (IL) http://promedmail.org/post/20190611.6513053
E. coli EHEC - USA (08): flour, alert, recall http://promedmail.org/post/20190527.6488348
E. coli EHEC - USA (07): O103, ground beef, CDC, recall http://promedmail.org/post/20190514.6468615
E. coli EHEC - USA (06): O103, ground beef, CDC, recall http://promedmail.org/post/20190424.6436748
E. coli EHEC - USA (05): O103, ground beef, CDC http://promedmail.org/post/20190413.6420590
E. coli EHEC - USA (04): O103, CDC http://promedmail.org/post/20190410.6414420
E. coli EHEC - USA (03): O103, CDC http://promedmail.org/post/20190405.6406761
E. coli EHEC - USA (02): O103, multistate spread http://promedmail.org/post/20190404.6404859
E. coli EHEC - USA: (KY) O103 http://promedmail.org/post/20190329.6393053

2018
---
E. coli EHEC - USA, Canada: O157, romaine lettuce http://promedmail.org/post/20181122.6159743
E. coli EHEC - USA (28): O157, romaine lettuce http://promedmail.org/post/20181120.6156581
E. coli EHEC - USA (20): O157, romaine lettuce, water source http://promedmail.org/post/20180702.5882323
E. coli EHEC - USA (15): O157, romaine lettuce, more cases, fatal http://promedmail.org/post/20180604.5837662
E. coli EHEC - USA (13): O157, romaine lettuce, increasing cases, fatality http://promedmail.org/post/20180517.5799620
E. coli EHEC - USA (12): O157, romaine lettuce, increasing cases, fatality http://promedmail.org/post/20180510.5791677
E. coli EHEC - USA (10): O157, romaine lettuce, fatality http://promedmail.org/post/20180502.5780249
E. coli EHEC - USA: O157, leafy greens http://promedmail.org/post/20180110.5550773

Published 05-10-2017 in Focus on , last update 29-11-2019

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