COVID-19

Covid-19: Novavax, fifth vaccine authorized in France

Posted on: 01/14/2022 – 16:33

After Pfizer, Moderna, AstraZeneca and Janssen, the High Health Authority gave its agreement this Friday to the marketing of a fifth vaccine against Covid-19 in France from February: Nuvaxovid, from the American laboratory Novavax.

Nuvaxovid: this is the name of the next vaccine against Covid-19 that will soon be available in France. The serum from the American laboratory Novavax, based on classic technology, received the green light from the High Health Authority on Friday, January 14.

This vaccine and that of Janssen (already available for people over 55 years of age) may in some cases be “a useful alternative” for people who are reluctant to inject themselves with messenger RNA vaccines from Pfizer and Moderna, the HAS judges in its opinion.

>> Read also: “Covid-19: these French expats forced to get over-vaccinated”

Even if four vaccines were previously authorized in France, those of Pfizer and Moderna are, in fact, used almost exclusively. They are based on an unprecedented technology, messenger RNA.

The other two, those of AstraZeneca and Janssen, are redirected to poor countries through the international Covax program.

The first deliveries of the Novavax vaccine (marketed under the name Nuvaxovid) should take place in early February, the Ministry of Health said this week, pending the opinion of the HAS. On December 21, the European Union gave the green light to this vaccine based on the same technology as that for whooping cough.

Responsible for defining France’s vaccination policy, the HAS considers, in its new opinion, that we should “favour” mRNA vaccines both for the first injections and for the booster, due to their high efficacy.

mRNA vaccines vs conventional vaccines

However, he believes that Novavax and Janssen “represent an additional option” for people who are “unwilling or unable to receive” mRNA vaccines.

These are “people who are resistant to mRNA vaccines” or “those who have suffered a serious adverse event after a first injection”.

In the context of an epidemic outbreak due to the Omicron variant, it is “essential to complete the primary vaccination coverage and accelerate the withdrawal campaign” in these people, insists the HAS.

For the first two doses, these people can be vaccinated with Janssen (two months between doses) or Novavax (three weeks between doses), as long as they are 55 years of age or older.

If they are under 55 years of age, they can be vaccinated with Novavax. If not available, Janssen can be used “exceptionally” after informing the person that the risk of side effects is increased in this age group.

As a reminder, HAS believes that Janssen can be used in people 55 years of age and older, even if they have received two doses of the mRNA vaccine before. On the other hand, Novavax should never be used as a booster, due to lack of clinical trials.

with AFP

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