《蘋果》接獲多方消息，在本港被武漢新型肺炎病毒攻陷的關鍵時刻，港大微生物學系講座教授袁國勇曾向醫學界發出訊息，表明香港隨時可能成為另一個武漢，未來數天是阻止內地隱形病人來港的「最後窗口」，希望醫學界在情況變得不能挽救之前，一齊呼籲公眾外出時一定要戴口罩及勤潔手。不過本身是醫生的衞生署署長陳漢儀表明，除非有病徵，否則市民在一般社交場合不用戴口罩；多名高官更在鏡頭前不戴罩咳嗽，又拒絕封鎖內地口岸。袁國勇的警告言猶在耳，惟本港已出現多宗確診個案。
在本港周三（22日）被武漢新型肺炎病毒攻陷前，袁國勇周二召開記者會，表示到過武漢考察後，認為武漢已是疫區，病毒亦有隨時入侵本港的可能，呼籲市民做好戴口罩等個人措施。袁在召開記者會的前後時間，亦向醫學界發出訊息，表示武漢冠狀病毒是高度傳染病毒，在家庭群組更有非常高的攻擊力；更甚的是，部份病例即使有病毒性肺炎迹象，但實際上沒發燒，使辨認病人非常困難。他提到，因應城市人流往來頻繁，加上新年假期，醫院及家居均可能出現人傳人個案。
他當時又指，未來數天（以病毒潛伏期3至6日計算）是阻止病毒攻港的「最後窗口」，醫學界應在情況變得不能挽救之前，一齊呼籲公眾外出時一定要戴口罩及勤潔手，以及及早儲備防護裝備及抗病毒藥物。不過本身是醫生的衞生署署長陳漢儀在記者會向市民指，除非出現病徵，否則市民在一般社交場合不用戴口罩。值得一提的是，袁國勇不曾在公開場合提出這些觀點。有資深醫生相信，袁因為身份尷尬，「唔敢公開講咁盡」。
袁國勇絕望呼喊全文
Dear all, some Key warnings 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 (i.e. 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.
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【未敢忘記】03年沙士重溫
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來源 source: http://hk.entertainment.appledaily.com