Are Vaccines Fueling New Covid Variants?

來源: 冷月亮 2023-01-02 13:01:50 [] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (4208 bytes)
本文內容已被 [ 冷月亮 ] 在 2023-01-02 13:08:10 編輯過。如有問題,請報告版主或論壇管理刪除.

從陰謀論到主流媒體,之間的距離就是十幾個月。

Wall Street Journal 2023年新年第一天opinion section 頭條刊登的文章,關於最新的XBB variant.

... "Growing evidence also suggests that repeated vaccinations may make people more susceptible to XBB and could be fueling the virus’s rapid evolution."
... "The same study posits that immune imprinting may be contributing to the viral evolution. Vaccines do a good job of training the immune system to remember and knock out the original Wuhan variant. But when new and markedly different strains come along, the immune system responds less effectively… current herd immunity and BA.5 vaccine boosters may not efficiently prevent the infection of Omicron convergent variants."
... "A New England Journal of Medicine study published last month provides more evidence of the vulnerability caused by immune imprinting. Neutralizing antibodies of people who had received the bivalent were 26 times as high against the original Wuhan variant as they were against XBB and four times as high as they were against Omicron and the BA.5 variant."
... Similarly, a study this month in the journal Cell found that antibody levels of people who had received four shots were 145 times as high against the original Wuhan strain as the XBB variant. A bivalent booster only slightly increased antibodies against XBB. Experts nevertheless claim that boosters improve protection against XBB. That’s disinformation, to use their favored term.

最後終於問出了早該問的問題。

”Another reason may be that monoclonal antibodies are ineffective against XBB, and many older people who catch Covid can't take the antiviral Paxlovid because they have medical conditions such as severe kidney disease or take drugs that interfere with it.

The Biden administration's monomaniacal focus on vaccines over new treatments has left the highest-risk Americans more vulnerable to new variants. Why doesn't that seem to worry the experts?“

https://www.wsj.com/articles/are-vaccines-fueling-new-covid-variants-xbb-northeast-antibodies-mutation-strain-immune-imprinting-11672483618?st=tsf89b834ryetrr&reflink=desktopwebshare_permalink&utm_source=substack&utm_medium=email

 

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