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Omicron variant appears to spread more than Delta variant according to WHO | Coronavirus


According to’World Health Organization, the Omicron variant seems to diffuse more quickly than the Delta variant, which for the time being is still responsible for most of the infections in the world. This faster diffusion is seen not only in South Africa, where Delta was less prevalent, but also in the United Kingdom, where this variant dominates.

L’World Health Organization does not know at this time, due to insufficient data, whether this high diffusion rate in populations with high immunity is due to the fact that Omicron evades immunity, benefits from inherent higher transmissibility or if it is a combination of both.

Omicron is likely to outperform Delta in places where there is community transmission.

A quote from World Health Organization

The data are not yet sufficient either to establish the degree of severity of the disease caused by Omicron, although for the moment the symptoms appear. mild to moderate both in southern Africa, where it was detected, and in Europe.

Omicron is now present in 63 countries, said the organization in a technical update, which confirms the statements of its officials in recent days.

As for anti-COVID vaccines, the limited data available as well as Omicron’s genetic profile suggest decreased efficiency with regard to protection against infection and transmission.

Pfizer and BioNTecH reassure

For their part, the Pfizer and BioNTech laboratories which developed the Cominarty vaccine, one of the most effective against COVID-19 so far, assured, at the end of last week, that it was always efficient after three doses against Omicron.

The majority of countries that can afford it are already encouraging people to get a booster dose. This is particularly the case in Europe faced with a new wave of infections, caused by Delta, following the premature abandonment of health restrictions but also sometimes insufficient vaccination rates.

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