2021年3月7日日曜日

重症化防げれば御の字

集団免疫できればいいが、できなくても重症化防げれば御の字。

風邪は防げないが、熱出して、あったかくして、汗かいて経過すればいいだけなら、恐るに足らず。

それと同じである。 

One vaccine dose gives high protection from severe Covid, evidence shows

First real data from mass vaccinations programmes in England and Scotland is promising


Mon 22 Feb 2021 17.1

How well does the AstraZeneca vaccine work? An expert reviews the current evidence

March 5, 2021 4.


Sarah Gilbert, lead researcher on the Oxford Vaccine Development Programme, believes that the Oxford/AstraZeneca vaccine will still protect against severe disease when facing these variants. However, this has yet to be proven.

Variants circulating in New York (B1526) and Brazil (P1) also have this E484K mutation. We don’t yet have data on how well the vaccine works against these variants, but it’s plausible that it may struggle against them too.

In the meantime, the vaccine’s developers have confirmed that they can tweak it to handle these mutations. They estimate an updated booster could be ready by autumn.

South Africa coronavirus variant: What is the risk?

By Michelle Roberts

Health editor, BBC News online


Published23 Februar

Scientists have tested the Pfizer Covid vaccine against N501Y and E484k mutations in the lab, using blood samples from vaccinated people.

In that study, vaccination appeared to work, but was slightly less effective.

Early results from Moderna suggest its vaccine is still effective against the South Africa variant, although the immune response may not be as strong or prolonged.

Two new coronavirus vaccines that could be approved soon - one from Novavax and another from Janssen - appear to offer some protection against the variant.

Preliminary work suggests the Oxford-AstraZeneca's vaccine offers "limited" protection against mild disease from the South Africa variant, but experts say it should still protect against severe disease.


アストラでも南ア種に対して重症化予防の効果はあるだろう、という見通しがあり、また、秋にはー随分遅いがーー変異種対応版ができるのでは、と言われている。

重症化防げるワクチンなり治療薬を早急に国民に行き渡らせる必要がある。

 


検査増やして封じ込めた国はない。NZや台湾、中国は、初期に厳格なロックダウンして感染拡大を防いだのである。 

クラスター多発施設で検査を毎日やるならいいが、漫然と検査を増やして封じ込められるわけでもあるまい。

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