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Last updated on April 17, 2014 at 15:50 EDT

Clams added to Pacific Northwest shellfish warning

August 11, 2006

WASHINGTON (Reuters) – U.S. health officials added a
warning about clams on Friday to their caution against eating
raw oysters from the Pacific Northwest following more reports
of stomach sickness caused by bacteria from the shellfish.

Seventy-two illnesses linked to contaminated oysters and
clams were reported from May 20 through July 31, the Food and
Drug Administration said. Another 105 probable cases were
recorded during the same time period.

The illnesses were reported in Washington state, Oregon and
New York, FDA officials said.

Either shellfish should be thoroughly cooked before eating,
FDA officials advised.

Cooking can kill the Vibrio parahaemolyticus (Vp) bacterium
linked to the sickness. Vp can cause mild stomach illness in
healthy people and serious illness in the elderly or others
with weak immune systems.

Symptoms, including diarrhea, abdominal cramps, nausea,
vomiting, fever and chills, usually start within 24 hours and
last no more than three days.

People who have those symptoms after eating clams or
oysters should contact a doctor and their local health
department, the FDA said.

Vp occurs naturally in oysters and clams, but levels rise
when water temperatures are warmer, officials said.

The FDA advisory follows a July 31 warning against eating
raw oysters from the Pacific Northwest.


Source: reuters