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Written by: Ouyang Dehao
2020-12-06 12:27
Last update date: 2020-12-06 12:40
The fourth wave of new crown pneumonia epidemic continued. Hong Kong added 101 new confirmed cases of new crown pneumonia yesterday (5th). There were more than 100 cases for the fourth time in seven days, and the total number increased to 6,803.
Government expert consultant and Professor Yuan Guoyong of the Department of Microbiology of the University of Hong Kong stated on a commercial program today (6th) that if 20,000 international students return to Hong Kong from other places on Christmas Day, 2.5% to 5% of the confirmed international students will "leak "Enter the community.
In addition, he also mentioned that there are some loopholes in the airport that need to be improved. All epidemic prevention measures, such as plastic trays at the airport, ground staff handling luggage, and saliva samples from immigrants, must be implemented. Otherwise, there will be The fifth and sixth waves.
But he also praised the high civic awareness of Hong Kong people and the proportion of wearing masks is much higher than that of foreign countries.
Yuan said that he hopes that everyone will understand that it is not easy to stop the virus, but he believes that the airport's measures are still inadequate.
(Photo by Ou Jiale)
Epidemic prevention measures should be kept drip-proof. If the case goes into the community, it will spread.
Yuan Guoyong emphasized in the program that all epidemic prevention measures should be drip-proof and implemented vigorously, otherwise it will cause more problems.
He inferred that next Christmas, 20,000 international students will return to Hong Kong from other places.
He calculated the positive rate of 0.4% at the airport, and concluded that 40 to 80 of the international students will be positive. At the same time, the current data shows that 2.5% to 5% of the confirmed cases have no symptoms. Two to four international students will soon be To" to enter the community.
"After returning, if he walks to a bar or restaurant, he likes to go to Lanzhufang, he must specify the action to eat wonton noodles, etc., and he will spread it again. The fourth wave is not over yet, it is easy to meet There is another virus strain, this time it may be imported from the United Kingdom, the United States, and Australia, and then the fifth and sixth wave will continue in the Hong Kong community."
Yuan Guoyong praised the civic consciousness of Hong Kong people, and said with a smile that Hong Kong culture has both the advantages and disadvantages of the East and the West.
(Profile picture/Photo by Zhang Haowei)
There are still shortcomings in the airport's measures.
Yuan said that he hopes everyone will understand that it is not easy to stop the virus, but he believes that the airport's measures are still inadequate.
He pointed out that the devil lies in the details. Although the airport has adequate measures for passengers, it ignores the luggage delivery process.
He explained that when the ground crew put the suitcases on the conveyor belt, if one of the suitcases contains the virus, the gloves will also be contaminated, and the suitcases afterwards will also be cross-contaminated through the gloves.
For example, Yuan Xu, airport security personnel will provide plastic discs for passengers to temporarily store keys and other metals so that they can walk through the X-ray machine.
If the plastic disk is infected with the virus, every immigrant will touch it when crossing the border, and it will be a "big wok".
He suggested that every time the plastic disk is used, it must be disinfected immediately before it can be used again to reduce the risk of external input.
He also pointed out that the current number of people arriving at the airport is small and that it is a feasible option.
Yuan Guoyong pointed out that it was found that the amount of saliva collected in the airport testing center was insufficient, and the sample bottle did not indicate the amount. It is recommended that relevant personnel should check the amount of saliva.
(Photo by Ou Jiale)
Deep throat saliva sample bottles should be marked to allow sufficient samples to be tested.
As for deep throat saliva testing, Yuan Guoyong pointed out that many immigrants are not clear about drinking and eating before testing, and airlines are advised to remind them on the broadcast.
He also pointed out that it was found that the amount of saliva collected in the airport testing center was insufficient, and the sample bottle did not indicate the amount. It is recommended that the relevant personnel should check the amount of saliva clearly, and they can ask people entering the country to take another sample or engrave a mark on the sample bottle.
Yuan also pointed out that he has made recommendations to the government, asking laboratory personnel to indicate the amount of saliva if it is found to be tested again.
"If you vomit 4cc, you don’t know how many 4cc is in the bottle. You have to check it out when you collect the bottle. It’s not enough to immediately go back and ask him to vomit several times. Let’s call the drip not leak first."
▼Tighten epidemic prevention measures from December 2▼
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In addition to enumerating the shortcomings of border epidemic prevention measures in the program, Yuan Guoyong also praised Hong Kong people’s civic awareness, pointing out that Hong Kong’s culture has both the advantages and disadvantages of the East and the West, which is just between the individual free will of the West and the group consciousness of the East. .
"I believe that Hong Kong’s civic awareness is really not bad. You look at our ratio of wearing masks, and we are far from competing with foreign countries. Foreign countries are far from ours... We have one country, two systems. We have awareness on both sides, and both benefits and bad are exposed. ."
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