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The greatest potential health risk to the public
is the consumption of polluted shellfish such as oysters,
mussels and clams, which can accumulate harmful substances
due to their filter feeding habits. The collection of
shellfish from polluted waters such as Victoria Harbour,
Aberdeen, Kwai Chung and Tsuen Wan is therefore prohibited
under the Public Health and Municipal Services Ordinance.
In addition, the Government monitors the chemical and
bacteriological quality of fish and shellfish and samples
are regularly taken from retail outlets for analysis.
any seafood is found to be unsafe for consumption, action
is taken under this ordinance to prevent its sale and, if
necessary, to prosecute the vendor.
If
As regards the monitoring of seafood contaminated
by red tides, a special procedure has been developed by
which samples of seafood and seawater are taken for
testing for toxicity. Fish killed by toxic red tides are
seized and destroyed. Special inspections of retail
outlets are also conducted to detect any suspected food
items.
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The risk of contaminated seafood reaching the
market is small and the public would be warned immediately if
S e any cases that are detected. It has been emphasized in past media campaigns that shellfish should always be
properly cooked. As a short-term measure, consideration
is being given to the compulsory artificial purification