Social News
Author: Chen Qianting
2020-09-10 07:15
Last update date: 2020-09-10 07:15
The new coronavirus pneumonia epidemic in Hong Kong has gradually eased in recent days, but there are still cases of unknown origin. The Hong Kong government launched the "Universal Community Testing Program" for universal testing. In the first 8 days, a total of 1.15 million samples were tested and 19 positive cases were found , That is, only one confirmed case is found for every 60,000 samples, the rate is only about 0.002%.
Checking the other tests before the national test, the highest confirmed rate was slaughterhouse employees, about 0.26%; the confirmed rate of the sample bottles distributed by the Hospital Authority in general departments also reached 0.23%, which was much higher than the positive rate of the national test .
The positive rate of other groups only ranged from 0.002% to 0.062%, and at least 9 groups recorded "zero diagnosis".
Respiratory specialist Liang Zichao pointed out that the timing of testing is very important. People with symptoms and contact history should be tested as soon as possible to find those who are still in the spreading period. Hong Kong will push for universal testing when the epidemic has declined. There are new cases that are not in the spread period, and the results are expected.
▼Citizens and officials' participation in the National Testing Program ▼
+11
+11
+11
The Hong Kong government has conducted virus testing for high-risk groups since July, covering multiple industries, including hospitals, restaurants, and market personnel. In response to a confirmed diagnosis in certain industries, the authorities have expanded the testing program to corresponding workplaces.
Among the many specific groups, the positive rate of the above-mentioned slaughterhouse was the highest. After the staff were infected, the authorities collected about 1,900 samples for the slaughterhouse workers, and identified 5 more confirmed cases, with a positive rate of about 0.263%.
The remaining groups with a relatively high diagnosis rate are foreign domestic helper quarters (0.062%), public transport drivers (0.060%) and residents of Tsz Wan Shan public housing estates (0.058%).
None of the 9,000 front-line postal, environmental protection and hotel staff have been diagnosed
At least 9 types of groups have recorded "zero diagnosis", including the Home Affairs Department's testing of residential buildings in Kwun Tong, Tuen Mun, Yau Tsim Mong and other districts; pregnant women, special schools that provide boarding services, fishermen and their fishermen, waiting No confirmed patients were found among foreign domestic helpers who took up the post.
The authorities expanded the group in response to the diagnosis of people who had a wider contact, including the postal, environmental protection agency and front-line staff of the hotel. There were about 9,000 people without a diagnosis.
After the outbreak at the Kwai Tsing Container Terminal, about 7,100 terminal personnel returned deep-throat saliva sample bottles to the authorities. However, the Department of Health did not disclose how many of them were sent to find the sample bottles, only that the entire terminal group had a total of 77 confirmed cases Case.
Since September, the Transport and Housing Bureau has launched regular tests for frontline personnel at designated terminals, which are tested once a week. Nearly 600 people tested negative in the first two days.
As for the inspection data of groups such as supermarkets, hawkers, lift and escalator industry practitioners, the responsible government department has not responded to inquiries so far.
The rate of confirmed diagnosis in general outpatient clinics reached 0.23%, which was much higher than the 0.002% of national testing
Outside of specific groups, the Hospital Authority has distributed deep throat saliva sample bottles to 22 general outpatient clinics every day since July 27, encouraging citizens living in high-risk areas or worrying about infection to keep samples for testing. As of August, about 24,000 samples have been collected. From the sample, a total of 56 confirmed cases were found, with a positive rate of about 0.233%.
Comparing the national test data, the plan was launched on the first 8 days. As of noon on the previous day (8th), a total of 19 newly diagnosed patients were identified among the 1.15 million tested samples. The positive rate was about 0.002%, which was far lower The data of outpatient delivery is generally lower than the positive rate of other specific groups.
▼List of reopening and continued restrictions starting on September 11▼
+19
+19
+19
Liang Zichao: The time of testing affects the diagnosis rate. Now it is found that the new patient is not in the transmission period
Respiratory specialist Liang Zichao believes that the rate of diagnosis is related to the timing of virus testing. If people with symptoms, working in the outbreak area, and contact history are tested as soon as possible, the diagnosis can be expected during the virus transmission period. For example, there was a small outbreak in the slaughterhouse at that time, and the diagnosis rate was correspondingly high.
People who have no history of contact, such as front-line personnel in government departments, can certainly have a diagnosis rate as low as zero.
He mentioned that when the national test was launched, the epidemic situation has dropped from before. It is expected to find one case per 60,000 people. The CT value of newly diagnosed patients is also higher than 30, that is, the transmission period has passed, which means tracking. Work has been delayed.
Changing the sampling method or reducing the number of participants put the cart before the horse
Before the launch of the national test, the government abandoned the use of deep throat saliva sample bottles from some high-risk groups and replaced them with throat and nasal swab samples.
Liang Zichao pointed out that although the method can reduce the preliminary work of the laboratory for mixed samples, special personnel sampling needs to solve the problems of site control and samplers. Even if it is done, it is expected that it can only sample about 2 million people at most. The practice may require participation. The number and enthusiasm are compromised, and the approach seems to turn the cart before the horse.
Liang also believes that national testing is only auxiliary in cutting off the chain of transmission, but it is not useless. The authorities have tested samples of more than one million people, and the statistics have a certain significance. People who are worried that they may be tested can be tested by the government. A learning opportunity for large-scale testing.
The Hospital Authority is studying the expansion of the arrangements for distributing bottles to general outpatient clinics. Liang agrees that people with mild symptoms will only take over-the-counter medicines on weekdays and may not be willing to seek medical treatment. If the government encourages citizens to take virus tests, it should also expand the amount of testing services. The principle of increasing the number and time of delivery of bottles to facilitate the public.
▼Yuan Guoyong demonstrates and compares the advantages and disadvantages of the four detection sampling methods▼
+2
+2
+2
Nationwide Testing｜Testing of over 1.36 million people found only 19 confirmed cases Zhang Zhujun: a good sign
New Coronary Pneumonia | 6 new confirmed cases and 1 national test found that there is tea in Shanjing Village, Tuen Mun
Nationwide Testing｜2000 medical and junior college students to help sampling Chen Zhaoshi: Reflect professionalism
National Testing｜Community testing extended to next Monday and 57 testing centers continue to operate from this Saturday
National Testing | 70,000 people went directly to the testing center without an online appointment, and a total of 1.31 million people completed sampling
National Testing for New Coronary Pneumonia