Soon an anti-Covid vaccine in patch?
Clinical trials carried out in Switzerland
Audio 01:16
The Covid-19 virus.
© via REUTERS - Social Media
Text by: RFI Follow
1 min
A patch against the Covid.
The hypothesis is currently under study in Switzerland where researchers are testing a new vaccine.
Easier to administer and perhaps more effective against variants, this is the bet, in any case, of the British biotech Emergex, which has just launched clinical trials in Lausanne.
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With our correspondent in Switzerland,
Jérémie Lanche
“
It burns a little bit more… Afterwards, it's quite tolerable
” The first volunteer to receive the anti-Covid vaccine as a patch can attest to this: for the painless side, we will come back.
But the essential is elsewhere.
The vaccine should help develop cellular immunity.
Considered to be more effective against variants.
“
Messenger RNA vaccines significantly stimulate antibody production, while our vaccine here, the primary goal is to stimulate what is called the cellular immune response, which is immunity that lasts over the long term and that , we hope, helps protect severe forms of Covid
, ”explains Alix Miauton, head of clinic at Unisanté, the organization in charge of the tests.
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More effective, longer, the patch vaccine is not yet there to replace RNA vaccines, already very effective against severe forms of the disease.
But it could come in addition to the products already available.
This will require that the tests confirm its effectiveness.
No commercialization is expected before 2025. But even if the pandemic had disappeared in the meantime, the
patch vaccine
could be very useful if a news were to be triggered.
► To read also:
Covid-19 and children: what do we know two years after the start of the pandemic?
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