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Omicron BA.3 Highly Contagious, Even for Vaccinated

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World Health Organisation Warns Over Omicron BA.3 Sub Variant

World Health Organisation (WHO) reported on Saturday that there is a newly identified BA.3 subvariant of Omicron. Although the third wave of Omicron is waning, the degree of risk remains the same.

According to Maria Van Kerkhove, Infectious Disease Epidemiologist and COVID-19 Technical Lead at the World Health Organization (WHO), there is a similarity between BA.2 and BA.1 subvariants of Omicron, and that BA.3 also belongs to the Omicron lineage.

On the one hand, this statement gives us hope by showing that the BA.2 sub-variant was thought to be severe is actually mild, and so is the BA.1 sub-variant. However, by showing another subvariant, it also indicates that things are not yet over and that Covid-19 is still a deadly threat.

Omicron was first detected in November, and on November 26, the WHO considered it a variant of concern. According to Maria Van Kerkhove, the most prevalent ones detected worldwide are BA.1, BA.1.1, and BA.2. There are also BA.3 and other sublineages.

According to a study published in the Journal of Medical Virology on January 18, 2022, the BA.3 sublineage exists.

Omicron BA.3 Also Spreads Rapidly

The dominant Omicron subvariants so far are BA.1 and BA.2, and neither has a difference in severity.

Among all the Covid-19 variants so far detected, Omicron is considered to be the mildest variant. In the third wave, which was primarily caused by its subvariant BA.1, there were fewer hospitalizations. However, this variant spreads rapidly.

Experts said Omicron may be contagious but is less likely to put a person in the hospital a month after the subvariant was detected in December 2021.

A December 2021 Lancet study found that, unlike the pattern seen in the Beta and Delta waves, the Omicron wave did not correlate with an increase in hospital admissions.

How Common are Omicron Symptoms after Vaccination?

A number of studies have shown that the covid-19 variant is not mild in nature. However, it causes comparatively milder symptoms probably due to the fact that today a large percentage of the population is vaccinated.

If you are vaccinated, common flu-like symptoms of the variant include sore throat, runny nose, sneezing, cough, headache, muscle pain, and nausea.

A total of 20-25 symptoms have so far been reported by people who have been infected with it.

Flu-like symptoms may include Fever, Chills, Cough, Shortness of breath, Coughing, Fatigue, Muscle aches, Headache, New loss of taste or smell, Coughing up blood, Diarrhoea, Congestion, High temperature, Fatigue, Anxiety, Delerium, Skin rash, Night sweats, A loss of appetite, Icy tongue, Cold toes, Abdominal pain, Chest pain, Laryngitis.

Experts believe that Covid-19 patients are reporting a wide range of symptoms related to their vaccination status and the immunity acquired from previous infections.


The CTNNews editorial team comprises seasoned journalists and writers dedicated to delivering accurate, timely news coverage. They possess a deep understanding of current events, ensuring insightful analysis. With their expertise, the team crafts compelling stories that resonate with readers, keeping them informed on global happenings.

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