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Date: Fri 13 Jul 2012
Source: New York State Dept of Environmental Conservation [edited] <http://readme.readmedia.com/DEC-Temporarily-Closes-Shellfishing-Areas-in-Town-of-Oyster-Bay-Nassau-County/4629846>

The harvesting of shellfish from particular areas in the Town of Oyster Bay (Nassau County, Long Island, NY) is temporarily prohibited, effective immediately, due to an illness outbreak caused by naturally occurring marine bacteria in shellfish, the NYS Department of Environmental Conservation (DEC) announced.

The closure impacts approximately 1980 acres on the north shore of the Town of Oyster Bay, including all the underwater lands in Oyster Bay Harbor that lie westerly of a line extending southerly from the stone house on Plum Point (Centre Island) to the northwestern most point of Cove Point on Cove Neck. To protect public health, all harvesting of shellfish from that area is prohibited until further notice. A map showing the affected areas will be available on the DEC website at <http://www.dec.ny.gov/outdoor/7765.html>.

This action was taken after DEC and the New York State Department of Health (DOH) documented illnesses in 3 people who ate raw or partially cooked shellfish in Nassau County. DOH determined the illnesses were associated with the consumption of shellfish or foods which were cross contaminated with raw shellfish and DEC determined the source of the shellfish. An additional 5 illnesses were reported to DEC by 3 other states that received shellfish harvested in Oyster Bay Harbor.

Laboratory tests have determined that the illnesses were caused by the marine bacteria, <Vibrio parahaemolyticus>, a naturally-occurring marine bacterium generally associated with warm water conditions. <V.
parahaemolyticus> is not associated with sewage or stormwater
contamination of harvest areas.

When ingested, _V. parahaemolyticus_ may cause diarrhea, nausea and vomiting, often accompanied by abdominal cramps, fever and chills.
Symptoms usually occur within 24 hours of ingestion and full recovery may take up to a week. More severe illness may occur in people with compromised immune systems or underlying chronic diseases. Consumers experiencing symptoms consistent with illness caused by _V.
parahaemolyticus_, and who have recently consumed raw shellfish, should contact their physician.

To prevent additional illnesses from occurring, DEC is prohibiting the harvest of shellfish from Oyster Bay Harbor, effective immediately.
This closure will remain in effect until samples collected by DEC indicate that shellfish from the affected area are no longer a threat to consumers. No other harvest areas have been implicated in these _V.
parahaemolyticus_ illnesses.
Consumers possessing shellfish with tags listing Oyster Bay Harbor as the harvest area should not eat the shellfish.

All shellfish harvesters, shippers, re-shippers, processors, restaurants and retail food establishments are advised to check the identity tags on all containers of shellfish in their inventories. If the tag indicates the harvest area was Oyster Bay Harbor and had a harvest date before 13 Jul 2012, the product must not be sold.

Wholesale shellfish dealers should also check their sales records to determine whether they have handled or sold any shellfish from the affected harvest area from 1 Jun 2012 through 12 Jul 2012. If so, they should immediately contact any customers that may have received shellfish from the area and advise them not to sell or serve those shellfish. Any business or establishment that has shellfish from Oyster Bay Harbor is advised to call DEC's shellfisheries inspection program at (631) 444-0494.

Additionally, information about temporary shellfish closures is available through a recorded message at (631) 444-0480. That message is updated when changes are made to temporary closures.

Communicated by:

[It is likely that the recent prominent heat wave in the area contributed to this cluster by producing higher water temperatures.
The posting does not link the recent cluster of _V. parahaemolyticus_ cases in Missouri to NY shellfish but it is certainly possible. - Mod.LL

A HealthMap/ProMED-mail map can be accessed at:

[see also:
Vibrio parahaemolyticus - USA: (MO) 20120701.1186448 Vibrio parahaemolyticus, oysters - USA: (MA), 2011 20120512.1131191
Vibrio parahaemolyticus, oysters - USA (04): (WA) expanded alert
Vibrio parahaemolyticus, oysters - USA (03): (WA) alert 20110915.2820 Vibrio parahaemolyticus, oysters - USA (02): (CA) 20110913.2786 Vibrio parahaemolyticus, oysters - USA: (WA) 20110807.2394 2010
Vibrio parahaemolyticus, oysters - USA: (WA) 20100803.2604
Vibrio parahaemolyticus, seafood - Chile 20081223.4041 Vibrio parahaemolyticus, oysters - USA: (MD ex NJ) 20080821.2608
Vibrio parahaemolyticus, oysters - USA (WA): int'l alert
Vibrio parahaemolyticus, shellfish - Chile: 2005 20070321.0991 Vibrio parahaemolyticus, shellfish - Chile (San Antonio)
Vibrio parahaemolyticus, shellfish - USA (multistate) (03)
Vibrio parahaemolyticus, shellfish - USA (multistate) 20060807.2211 Vibrio parahaemolyticus, shellfish - USA (WA, NY) (05) 20060805.2175 Vibrio parahaemolyticus, shellfish - USA (WA, NY) 20060721.1999 Vibrio parahaemolyticus - North America: background 20060717.1963 Vibrio parahaemolyticus, oysters - North America: USA (OR, WA), Canada
(BC) 20060716.1956
Vibrio parahaemolyticus, seafood - Chile (Puerto Montt) (03)
Vibrio parahaemolyticus, seafood - Chile (Puerto Montt) 20050118.0163
Food poisoning, birthday guests - USA (FL) (02): vibrio parahaemolyticus 20040927.2664 Food poisoning, birthday guests - USA (FL) 20040922.2619 Vibrio parahaemolyticus, oysters - USA (AK) (02) 20040822.2335 Vibrio parahaemolyticus, oysters - USA (AK) 20040803.2113
Vibrio parahaemolyticus, shellfish - USA (NY): alert 20020822.5111 Vibrio parahaemolyticus, O3:K6 - USA, Asia 20020716.4770 2000
Vibrio parahaemolyticus, oysters - USA (Texas) 20000928.1676
Vibrio parahaemolyticus, oysters - USA (multistate) 19990725.1252] .................................................ll/lm
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