Why did the WHO "raise the alarm" about omicron?

As stated, this strain is likely to spread around the world, and a larger increase in the number of infected could have severe consequences in some areas.
Although it is not yet known to what extent omicron is contagious for those who have been vaccinated and recovered from COVID-19, the WHO recommends accelerated vaccination of risk groups.

Europe in Fear of the New Covid “Botswana Mutation”: What do we know about it

As of today, governments across Europe are rushing to step up their defenses against a possible new coronavirus outbreak after South Africa announced the discovery of a new strain of Covid-19 that scientists fear could thwart the pandemic effort.

Assoc. Prof. Glomb: Variant of COVID-19 of Bulgarian Origin May Appear Soon

If we continue to have low immunization coverage, I would not be surprised if a variant of Bulgarian origin appears. Upon entering a host, the virus seems to borrow life and begin to dictate conditions. The more passages pass from person to person, the more we allow the virus to improve. That's why these variants appeared.

Slovenian research sheds new light on microbiome

Ljubljana – A group of Slovenian researchers has created software that helps scientists analyse the content of microbiomes, the communities of microorganisms living in the human gut, in order to detect specific pathways that may indicate the presence of a disease. The discovery creates opportunities for the development of new personalised-medicine therapies.

First confirmed case of Brazilian COVID-19 variant in Greece

The first confirmed case in Greece of the highly transmissible Brazilian variant of SARS-CoV-2, reportedly a man in Athens, was announced today by the National Public Health Organisation (EODY).

A "Variant of Concern" for scientists, P.1.2 (VOC-21JAN-02) has been dubbed the "Brazilian" variant.

Poll indicates third of Slovenians want to get vaccinated as soon as possible

Ljubljana – A third of respondents in the most recent Parsifal public opinion poll commissioned by Nova24TV have said they will get vaccinated for coronavirus as soon as possible.

The share is lower than in January, when 47% said they would get vaccinated at the earliest opportunity, but the most recent poll also shows that 20% of respondents had already been vaccinated.

Bulgaria’s Health Minister: Vaccination Campaign Is Picking up Speed

Nearly 60,000 people have registered online to get vaccinated against COVID-19, Health Minister Kostadin Angelov told journalists on Sunday. The e-registration system has been subjected to persistent hacking attacks, he said and added: "Apparently, someone really wants us to fail, but that is not going to happen".