What will we find out about new technology anti-Covid vaccines?

What will we find out about new technology anti-Covid vaccines?


  • In keeping with Public Well being France, through the week of August 29, 2022, there have been 100% of Omicron among the many viruses sequenced.
  • In France, individuals eligible for the second booster dose are these over 60, pregnant ladies, individuals vulnerable to extreme kind and healthcare professionals.

As of September 15, there have been 33,263 new instances of Covid-19 recorded over the previous 24 hours in line with Public well being Francea rise of 67.4% during the last seven days. Virtually all of them have been contaminated with the Omicron variant.

Omicron sub-variants: the vaccine targets BA.4 and BA.1

To raised shield the inhabitants, the company european medicines (EMA) authorised, this Monday, September 12, the usage of a brand new vaccine towards Covid-19. That is manufactured by the Pfizer/BioNTech laboratory.

It is likely one of the newest vaccines to reach available on the market, these referred to as bivalent, which shield towards the unique pressure of the Covid-19 virus but in addition towards the sub-variants of Omicron: BA.1, BA.4 and BA.5 , the latter two being the bulk at present among the many instances of Covid-19.

Earlier bivalent vaccines focused BA.1

In a press launch revealed on September 1, the EMA had beforehand authorised the usage of bivalent vaccines from Pfizer/BioNTech and Moderna, however these solely focused the BA.1 subvariant.

The particularity of the brand new Pfizer/BioNTech vaccine – the second bivalent that the laboratory has developed – is subsequently to additionally goal the BA.4 and BA.5 sub-variants, along with the unique pressure of Covid-19 and the sub-variant BA.1.

Bivalent vaccines from Pfizer/BioNTech and Moderna nonetheless use Messenger RNA expertise. This entails sending innocent copies of the virus for the physique to then produce the proteins wanted to make antibodies towards the virus. “With messenger RNA vaccines, the concept is to let our cells make the element towards which our physique will study to defend itself.“, exact Nationwide Institute of Well being and Medical Analysis (Inserm).

New anti-Covid serums quickly in France

In different nations, reminiscent of america or the UK, the advertising of bivalent vaccines has already been validated. In France, for the second, there is no such thing as a date of inserting available on the market. However they need to be used for the vaccine booster marketing campaign. Certainly, theopinion of the Scientific Council revealed on July 19 decide that “these new vaccines have an efficacy similar to the earlier ones and maybe higher preserved on the brand new Omicron variants”.

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