It is called Nuvaxovid and is the vaccine of the American Novavax: it differs from both messenger RNA and viral vector vaccines
There European Commission accepted the recommendation of the EMA, the European Medicines Agency, and authorized the Nuvaxovid vaccine from the American company Novavax. After those of the companies Pfizer / BioNTech, Moderna, Johnson & Johnson and AstraZeneca, it is the fifth to receive the ok for use in the countries of the European Union. Its characteristic is that it is different from both viral vector vaccines such as those from AstraZeneca and J&J, and from messenger RNA vaccines such as those from Pfizer and Moderna.
Novavax vaccine with recombinant proteins –
In the case of the Novavax Nuvaxovid vaccine, in fact, the technology is neither a viral vector nor a messenger RNA, but it is that of recombinant proteins. In total it was tested on 45 thousand volunteers with two clinical tests and the experimentation took place in a period when the alpha and beta variants of Covid-19 were in circulation in the world, so it is not yet known what effects it has on variants such as the omicron, which only appeared about a month ago.
How the Novavax vaccine was tested –
As we have said they have been conducted two clinical tests different:
- the first study it was carried out in the United States and Mexico and saw two-thirds of the volunteers given the vaccine, while another third received a placebo. This test revealed a 90.4% reduction in symptomatic cases of Covid-19 in the first seven days after the second dose was administered to the vaccinated compared to the placebo group;
- the second study instead it was conducted in the UK and divided the volunteers exactly in half: 50% of the participants were given the vaccine, the other 50% the placebo. The effectiveness found was 89.7%.
The Nuvaxovid Vaccine Side Effects –
As for the side effects, even for the Novavax vaccine the same adverse reactions seen for other vaccines, i.e. pain at the injection site, headache, fatigue, muscle aches. These effects last from a few hours to a few days at the most and leave no aftermath. In most cases it is not felt any side effects.
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