79 cases of invasive beta-streptococcus infection were recorded in Hong Kong during the two-month period. An investigation by the Centre for Health Protection found that some patients had been exposed to freshwater fish such as carp.
The Hospital Authority stated yesterday (20th) that 79 cases of infection have been notified to the Centre for Health Protection so far. Among them, 34 patients have been discharged and seven patients died, accounting for about 10%.
According to local fish farmers, about 85% of Hong Kong's freshwater fish are from the Mainland, of which Shunde District of Guangdong Province accounts for the most.
The AFCD inspects the water quality of fish ponds every half month and believes that the problem has nothing to do with local freshwater fish, but refers to a case or other factors.
Some wholesalers also pointed out that a few thousand catties of freshwater fish are transported to the two main fish pens in Hong Kong every day.
In other words, the source of infection may have spread to all parts of Hong Kong through freshwater fish from the two fish pens.
Some local fish farmers pointed out that the AFCD checks the water quality of fish ponds every half month and believes that the problem has nothing to do with local freshwater fish.
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Zeng Qiyin, the co-chair of the Infectious Disease Advisory Committee of the Medical Association, said today that the occurrence of an outbreak group within a short period of time is an unusual incident and it is necessary to investigate the freshwater fish or other sources.
The director of the Infection and Infectious Diseases Center of the University of Hong Kong, Ho Pak-liang, also said yesterday that some of the patients were only in their 30s, working as cooks, and had no long-term illnesses. They were suspected of being infected while picking up fish or cleaning raw fish.
According to Lai Shuxiang, chairman of the Hong Kong New Territories Fish Farming Association, about 85% of the freshwater fish in Hong Kong come from the Mainland, of which the Shunde District of Guangdong Province accounts for the most.
The local fish ponds adopt traditional culture methods, and the water quality of the fishery and Conservation Department is tested every half month. After the B-streptococcus case broke out, the Department also went to the fish pond for testing immediately. Therefore, he believes that the case has nothing to do with the local freshwater fish, or Water quality in the market or other factors are related, "There must be no problem with local fish."
Lai also reminded the public that the freshwater fish produced in local fish ponds are mainly aconitum and bighead carp.
After the local freshwater fish are tested, they will be tagged to read the source of the cultured fish, food safety test results, fish farm information and contact methods.
He also pointed out that if you wear gloves to work in fish ponds, you will also be scratched by freshwater fish. He thinks that if freshwater fish contains beta-streptococcus, fishmongers in the market will find it difficult to get along.
The retired former Yuen Long Fresh Fish Traders Association General Affairs Deputy Director Leung Koon Wing pointed out that there are about several thousand catties of freshwater fish in the mainland every day, which are transported to the two main wholesale freshwater fish pens in Hong Kong, including the Cheung Sha Bay Fish Market and the Yuen Long Temporary Fresh Fish in Chicken Land. Wholesale market.
However, after many years in the industry, he said that it has been rare. He said that the type B streptococcus cases are common.
Streptococcus beta | 3 confirmed cases of Streptococcus beta a day during the peak of cluster infections in September | Freshwater fish stalls in Yang Uk Road Market fell by 80%. "Use your eyes to pick fish" Fish scales fall off and mouth injured. Unhealthy beta-streptococcus | Experts urge to avoid eating sashimi means that young people are also susceptible to infection: the bacteria cannot select beta-streptococcus | 10% of 79 infections in 40 days The deceased doctor must wear gloves when picking and handling freshwater fish
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