Huang Jinxing: 13 patients in Jordan are consistent with the sewage test of the building and are monitoring Sham Shui Po and the fruit bar daily

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Written by: Wang Jien and Deng Yinglin

2021-01-26 13:37

Last update date: 2021-01-26 13:37

The government recently sealed off the "restricted areas" around Jordan. Residents had to be tested and banned. By the early hours of yesterday (25th), the order was lifted and 13 confirmed cases were found.

The Secretary for the Environment, Huang Jinxing, said today (26th) that a post-inspection of a site that tested positive for sewage from an earlier building was found to coincide with the location of the 13 confirmed people’s residences, reflecting the high sensitivity of sewage monitoring. He described the Hong Kong government’s request for compulsory inspections with sewage test results. The requirement is to "lead the world."

He also said that the sewage monitoring program is a collaboration between the University of Hong Kong, the Environment Bureau, the Environmental Protection Department and the Drainage Services Department to monitor the distribution of the virus. Due to the recent outbreak in Yau Tsim Mong, the authorities have collected sewage samples in the area and surrounding locations for monitoring, including Sham Shui Po, Yau Ma Tei Fruit Market, etc., to identify invisible patients and assist the government in the overall fight against the epidemic.

He revealed that the government is communicating with private contractors and laboratories, or purchasing equipment for them, and providing voluntary sewage monitoring services for buildings in the future.

Huang Jinxing, Secretary for the Environment.

(Profile picture)

Establish a communication mechanism to monitor the sewage situation daily

Huang Jinxing attended the radio program this morning and talked about the plan of sewage monitoring for new coronary pneumonia.

He said that the government and the university team have established a communication mechanism for sewage sample testing. The government will receive new sewage sample test data every day. If the sewage test of a certain building or city block is positive, Food Sanitation will consider mandatory According to the test order, since the confirmed cases have been discharged from hospitals and returned to the community sooner than before, the authorities will match the sewage sample results with the list of confirmed cases for adjustment.

Sewage positive power inspection practices "lead the world"

The 13 patients found in Jordan’s closed area, Huang Jinxing said, after inspection by the authorities, 13 patients were found to be consistent with the positive results of the sewage test of the building earlier, reflecting the high sensitivity of sewage monitoring. He described the Hong Kong government as the building or block If the sewage test results are positive, the practice of considering whether to issue a mandatory testing order is "leading the world." This can enable the government to understand the distribution and situation of the virus in high-risk areas and make overall considerations.

▼At 3:21 am on January 25th, the restricted area closure order in Jordan is lifted▼

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Sewage collected from fruit stalls in Sham Shui Po and Yau Ma Tei recently

A confirmed case has recently been confirmed in Jordan, Yau Ma Tei. Huang Jinxing said that the authorities have collected sewage samples for testing in the authorities and surrounding areas, including the old part of Jordan to the west, north, south, Sham Shui Po and Yau Ma Tei fruit stalls.

The actual sampling depends on the location of the manhole in the building?

He gave an example. Earlier, Choi Wan Village, Wong Tai Sin, collected samples from every building. However, there are many old buildings in Yau Ma Tei, and each building has a small number of floors and households. Therefore, the last well in the back lane collected more than ten buildings at a time. Sample, that is, although each sample comes from multiple buildings on average, the number of people involved is smaller than the average number of people in the entire building, only a few hundred people.

It can process 20 sampling points every day, involving hundreds of thousands of people

As for whether sewage testing can be further expanded?

Huang Jinxing said that the government has recently doubled its sewage testing capabilities and reiterated that the current testing capabilities are not weak. The authorities can process 20 sampling points per day, and each sewage sample comes from thousands or even tens of thousands of people at any time. The daily sewage inspection volume can involve hundreds of thousands of people.

The government may purchase equipment for private contractors. Buildings can voluntarily participate in sewage monitoring in the future

However, Huang Jinxing admits that there are limitations in sewage monitoring. Since the sampling time is from 8 am to 11 am, the sewage and channel residues at that time are taken. The number of samples that can be tested daily and the number of on-site sampling instruments in the Hong Kong University Laboratory are all limited. On the neck, he revealed that the government is communicating with private contractors and laboratories, or ordering machines for them, transferring university research methods to enterprises to expand testing capabilities. Buildings and owners interested in participating in voluntary sewage monitoring in the future can contact private companies. Contractor or laboratory.

He also said that when the epidemic eases in mid-2020, the government will not only consider tracking individual housing estates or buildings, but also set up points in sewage treatment plants and manholes in the middle and lower reaches to monitor more extensively. However, high-risk communities must be tracked now. Expansion of detection capabilities, the epidemic can be monitored at permanent locations in the area of ​​interest.

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