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美國科研機構近日發現了新的變種新冠病毒,並稱其可能「源於美國」,對於本已處於嚴峻的疫情來說,無異於雪上加霜。俄亥俄州



美國肺炎,名不虛傳

新聞來源連結:
https://std.stheadline.com/realtime/article/1475437/即時-國際-美國發現新變種新冠病毒-可能-源於美國



附件

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2021-1-14 08:12 PM

FB_IMG_1587698607797.jpg

熱賣及精選


明天炒尤




Americunt virus?


都話係美國肺炎


[隱藏]
有腦既人一早都知係美國肺炎


美國人以身養毒…遲早培養到一隻超級毒王滅絕人類

[ 本帖最後由 半夏善良的黑頭 於 2021-1-14 11:11 PM 編輯 ]



美國由2019年開始隱瞞美國肺炎,仲刻意藉軍人運動會傳入中國及全世界,全球人士應該向美國索償。


2019夏天已經爆不明呼吸系統疾病啦,仲關閉好多labs,又有5個軍人喺武漢運動會緊急返回美國,又傳佢地死晒,又唔去驗吓係咪中招,又唔俾WHO去查,之後仲退出埋。


美國發現新變種新冠病毒 「源於美國」!


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提示: 作者被禁止或刪除 內容自動屏蔽
@bebebigbig 大少奶over over! 你係咪中咗招呀?有無事呀?


乜都唔做諗住靠疫苗打救既國家,等仆街啦。


是邊樣?
a.  流感啫
b.  美國野味
c.  電子煙



日本發現美國變種20C,但好似唔係呢隻

US variant of coronavirus found in Japan
https://www3.nhk.or.jp/nhkworld/en/news/20210112_24/



Last November, the researchers found that a patient in the Kanto region, which encompasses Tokyo, had a strain called "20C," which has mainly been spreading on the US West Coast.

The patient had not traveled abroad, which suggests the virus was community-acquired.

The current outbreak in Japan mainly consists of two types of the coronavirus that remained after the first wave last year. The 20C strain has not been detected since May last year, except at quarantine stations.



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呢隻20C舊年5月已經發現

Emergence and Evolution of a Prevalent New SARS-CoV-2 Variant in the United States
https://www.biorxiv.org/content/10.1101/2021.01.11.426287v1


Genomic virus surveillance can lead to early identification of new variants and inform proper response during a pandemic. Using this approach, we have identified a new variant of the SARS-CoV-2 virus that emerged in the United States (U.S.) early in the coronavirus disease (COVID-19) pandemic and has become one of the most prevalent U.S variants. This new variant within the B.1.2 lineage referred to here as 20C-US, has not yet spread widely to other countries. The earliest 20C-US genomes can be traced to the southern U.S. in late May of 2020. A major early event was the rapid acquisition of five non-synonymous mutations. The changes carried by 20C-US now include mutations to genes involved in virus particle maturation and release, processing of viral proteins, and RNA genome integrity and translation genes, all important for efficient and accurate virus production. In addition, 20C-US has since acquired two new non-synonymous mutations that highlight its ongoing evolution, one of which is a Q677H mutation in the spike protein adjacent to the furin cleavage site. We predict that 20C-US may already be the most dominant variant of SARS-CoV-2 in the U.S. The ongoing evolution of 20C-US, as well as other dominant region-specific variants emerging around the world, should continue to be monitored with genomic, epidemiologic, and experimental studies to understand viral evolution and predict future outcomes of the pandemic.



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