地球,人間煉獄 (232期):
上海的新冠病例數量持續激增,這使得有關該城市商業和日常生活將在未來幾天恢復正常的想法成為奢望。如果目前的封控舉措不能阻斷傳播鏈,中國政府可能面臨著疫情大範圍暴發並持續數月的風險 。
上海過去一天新增本土新冠確診病例4477例,創下歷史新高,但只有2.1%(96例)出現症狀。在過去的七天裡,有症狀的病例佔大約1.6%。上海乃至中國 #無症狀感染者比例為何如此之高?
上海過去一天新增本土新冠確診病例4477例,創下歷史新高,但只有2.1%(96例)出現症狀。在過去的七天裡,有症狀的病例佔大約1.6%。上海乃至中國 #無症狀感染者比例為何如此之高?
流行病學家正在研究目前的中國疫情,試圖確定無症狀感染病例的比例如此之高的原因,以及這對中國未來的防疫策略的可能影響。
......為中國政府提供新冠防控治療建議的中國工程院院士張伯禮等專家表示,奧密克戎本身的致病性較低,再加上中國相對較高的疫苗接種率,可能降低了有症狀感染者的數量。
然而,韓國和新加坡的疫苗接種水平比中國還要高,但這兩個國家有症狀病例更多。
"無症狀感染者是一個時點狀態的概念",今天的無症狀感染者到明天或後天也可能變成輕型或普通型病例。他表示,仍然需要關注感染率。~~吳尊友
Authorities began locking down some western areas of Shanghai two days ahead of schedule, as new COVID-19 cases in China's most populous city jumped by a third despite stringent measures already in place to try to stop the virus spreading.
China reported 6,886 domestic Covid cases nationwide on Tuesday, with more than 4,400 of them detected in Shanghai, now the centre of the country’s worst Covid-19 outbreak since the early days of the pandemic.
- Amid a surge in deaths, Hong Kong is scrambling to import more coffins.
- In Jilin, an industrial Chinese province, some workers say they have been quarantined in the hospitals they were hired to build.
- Volkswagen will partially halt production at its Shanghai factory because of a parts shortage, a further sign that the Omicron variant is disrupting the Chinese economy.
The maximum fine for not complying with compulsory testing directions or notices will increase from a fixed charge of HK$10,000 to HK$25,000 and six months imprisonment, the same as the penalty for violating a compulsory testing order.
A balance between contagion risks and public tolerance: Hong Kong leader. Read more: https://sc.mp/uhgz
中國認可外國的mRNA疫苗?
上海市政府印發《上海市全力抗疫情助企業促發展的若干政策措施》,提到「支持新冠病毒疫苗和治療藥物進口」。
這是中國官方首次表示將使用進口疫苗,消息讓復星醫藥引進的mRNA新冠疫苗「復必泰」(BioNTech)再受關注,該公司股價當天飆升8%。
中國此前一直沒有批准進口效果較好的mRNA類型疫苗,14億國民多數只能打科興和國藥的滅活類型疫苗。
但港大醫學院及香港中大醫學院聯合研究指出,科興疫苗中和抗體不足及流失快,即使打滿三劑也不足以抵禦Omicron變異株;專家建議打了科興疫苗的人,第三劑應考慮接種復必泰。
The United States is giving older adults the option of getting a second Covid-19 vaccine booster dose as studies suggest the fourth jab offers stronger protection.
【拜登接種第4劑輝瑞疫苗】
美國總統拜登(Joe Biden)30日接種了第二劑的COVID-19(2019年冠狀病毒疾病)加強劑,他在宣佈這場疫情不再控制美國人生活的同時,也呼籲民眾要保持警惕。
South Africa’s official death toll from the coronavirus has passed the 100,000 mark, a week after the country relaxed almost all restrictions.
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