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What Differentiates Omicron Variants From Other Variants?

Updated On Feb 25, 2022

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According to a new study, the most current version of the highly infectious omicron variant is circulating far faster than the original, and even mild cases of the original may not give any protection against subsequent infections. The findings cast doubt on predictions that the current omicron wave, which is sweeping the world, will hasten the pandemic's end. Demands for authorities to categorise Covid-19 as an endemic mimicking influenza are rising across the world as people tire of pandemic constraints, vaccines become more accessible, and fatality remains low.
Omicron, a novel coronavirus variety, is claimed to be more contagious than existing coronavirus strains, including the dreaded Delta strain. The speed with which this new variation spread appeared to be due to unusual mutation patterns. In South Africa, the Omicron strain quickly supplanted the Delta strain. High mutations, according to scientists, can lead to re and breakout infections. Early data suggests that the variation might cause a massive surge in Covid infections in other nations as well. Its severity, on the other hand, appears to be rather minor. To know more if the Omicron variant is different from it’s other variants, read on.

What Differentiates Omicron Variants From Other Variants?

About Omicron Variant

In the United States, the Delta version of COVID-19 seems to be no longer the most common source of infection. Omicron now accounts for the bulk of COVID-19 cases in the United States, just weeks after it was discovered in South Africa and labelled a "variant of worry" by the World Health Organisation (WHO). Scientists are trying to figure out what makes Omicron distinct from other variations as it spreads across the United States (and the world). Information is slowly coming together Omicron, for example, is much less likely to experience serious illness, but also disperses more easily, even among the vaccinated but there are many other things we don't know, which is why maintaining (or ramping up) COVID-19 safety procedures is more important than ever.

1. Difference Between Omicron & Delta - The rise in omicron variant infections has prompted concerns about the prospect of a third wave of coronavirus and the efficacy of currently available vaccinations. Omicron, which is thought to be more transmissible than the preceding version, is more able to infect a huge number of participants in a shorter amount of time. When opposed to the Delta version, the effects of this version are milder. However, researchers believe that owing to its large rate of transmissibility, it will soon become the prevalent form worldwide.

2. Difference In Symptoms - Delta and Omicron are both mutant forms of the COVID-19 original strain, which was discovered in China in 2019. Delta was first discovered in India in 2020, prompting the country's second coronavirus outbreak, which claimed millions of lives, while instances of the omicron form were first detected in South Africa. Both types of symptoms are distinct from one another. Fatigue, joint discomfort, a cold, and headaches are four prevalent omicron symptoms that differ from those of the Delta variety, according to experts. Apart from that, the Omicron lacked the normal indications of Delta, such as loss of smell and taste.

3. Might not lead to breathlessness - Last week, an AIIMS specialist speculated that Omicron, unlike Delta or another prior COVID-19 variation, would not induce dyspnea because it multiplies in the neck rather than the respiratory system. As a result, he believes that the impact of omicron contamination on the lungs will be minor. It indicates that, unlike the Delta illness, which resulted in a high number of people being hospitalised and suffering from pneumonia, the new variation may not have the same effect.


Though the severity of the new variation is unknown, scientists and physicians believe it is extremely transmissible. In comparison to the Delta variation, the Omicron variant is substantially modified, according to the results of genome sequencing. In comparison to Delta, which contains 18 mutations in the spike protein, Omicron has approximately 30 mutations. As a result, the new COVID type is resistant to vaccine-induced antibodies, resulting in more outbreak infections.

Also read- Is Omicron Variant Infective?

Is COVID-19 Variant Omicron More Dangerous Than COVID-19 Variant Delta?

Disclaimer: This article is issued in the general public interest and meant for general information purposes only. Readers are advised not to rely on the contents of the article as conclusive in nature and should research further or consult an expert in this regard.

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