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Written by: Chen Qianting
2020-01-25 04:49
Last updated: 2020-01-25 04:49The epidemic of new coronavirus pneumonia in Wuhan has continued to spread. The research team of the Department of Microbiology of the University of Hong Kong published an article in the medical journal "Acupuncture Needles". Based on a group of 6 cases diagnosed in a 7-person family in Shenzhen, the attack rate of the virus was as high as 83%, and it is proven that people can pass from person to person.
Yuan Guoyong, Chair Professor of the Department of Microbiology of the University of Hong Kong, pointed out that the study showed that the new virus may be highly contagious and worried about the reappearance of SARS. As the new study estimated that the virus incubation period was about 3 to 6 days, he thought that the next few days might be the last chance to stop it. The virus has been brought to Hong Kong or Macau by infected mainland patients.
He also believes that masks should be promoted as soon as possible outside the home, and that hands should be disinfected regularly, so as not to call too late, and hospitals also need to purchase additional masks, protective clothing, and inventory of needed drugs.
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Highly infectious patients with new coronavirus may not have fever
The latest article published by the research team of the Department of Microbiology of the University of Hong Kong in the "Acupuncture Needle" mentioned that in a family group case, 83% of family members were infected with the new virus, and some of them had not been to Wuhan or a wet market. The sick family members developed symptoms after living with them for several days. Another article in "Acupuncture Needles" also stated that the mortality rate of Wuhan pneumonia reached 15%.
He Bailiang, director of the University of Hong Kong's Infection and Infectious Diseases Center, quoted a message from the University of Hong Kong's microbiology professor Yuan Guoyong on the social network in the early morning of the first day (25th). Yuan Guoyong mentioned that the new research may show that the new coronavirus is highly contagious in 2019, and that some people may not have fever symptoms when they seek medical treatment, which makes the diagnosis more difficult. He frankly fears that the “salsa” may return.
According to research and analysis, the incubation period of the new virus is about 3 to 6 days. Yuan Guoyong believes that in the next few days or the last chance, the virus will block the introduction of the virus into mainland patients from Hong Kong.
He went on to point out that person-to-person transmission may occur in hospitals or between families with a history of tourism. He believes that people should be advised to wear masks as soon as possible when they leave the house, and to disinfect their hands at regular intervals. To prevent mainland students from bringing the virus back to campus. Hospitals should increase the inventory of test reagents and protective equipment. Related treatment drugs include protease inhibitors, ribavirin and interferon, as well as space to prepare isolation wards.
Yuan Guoyong anticipates that the temperature will need to warm up to 30 degrees Celsius in order to prevent the survival of the new virus. At present, he must do everything he can to reduce or delay the epidemic.
Professor Guo-Yuan Yuan, Department of Microbiology, The University of Hong Kong. (Profile picture / Photo by Luo Junhao)
Promote the wearing of masks for people outside the home to extend school lunar holidays
Yuan Guoyong continued that person-to-person transmission may occur in hospitals or between families with a history of tourism. He believes that citizens should be advised to step out of their homes as soon as possible, and they should wear universal masking outside home, and regularly disinfect their hands. Extend the Lunar New Year holiday to a stable condition to prevent Mainland students from bringing the virus back to campus; hospitals should purchase more stocks of test reagents and protective equipment. Related treatment drugs include protease inhibitors, ribavirin and interferon, and Prepare space for the isolation ward.
Yuan Guoyong anticipates that the temperature will need to warm up to 30 degrees Celsius in order to prevent the survival of the new virus. At present, he must do everything he can to reduce or delay the epidemic.
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He Bailiang quoted Yuan Guoyong's remarks on a social networking site.
"From Professor KY Yuen:
1. the key issue here is a VERY high attack rate in family cluster, 83% in family members who have been in Wuhan; this shows that 2019-nCoV can be a highly infectious virus.
2. HK / Macau or other world cities could easily become another Wuhan or another 2003 Hong Kong.
3. The next few days (incubation period 3 to 6 days in our family cluster) could be the last window of opportunity to stop the infection from spreading by silently infected mainlanders that crossed the border into HK / Macau SAR.
4. patients can be afebrile at the time of presentation, despite having radiological changes of viral pneumonia. They can still be shedding virus as evident by positive RT-PCR in respiratory secretions. This makes the control by case recognition very difficult.
5. person-to-person transmission can occur in hospital and home setting with intercity spread (ie, from Wuhan to HK / Macau).
6. We should advocate “universal masking outside home” and “frequent alcoholic handrub” now before it is TOO LATE. There should be extension of Chinese New Year holiday till the situation is stable to prevent returning mainland students bringing virus into schools or universities.
7. We need to stock up diagnostic test kits, mask and other PPE, quarantine areas, disinfectants, kaletra, ribavirin (low HCV oral dosing) and betaferon.
8. We must do everything now to delay or mitigate the epidemic till the increase of ambient temperature to 30 degree Celsius which hampers the environmental survival of this novel coronavirus.
Our situation is NOT good. Need to see what happens in the next 14 days.
Warmest regards. "
Wuhan pneumonia Yuan Guoyong mask SARS