Transmission Rate and How Dangerous Is This Mutation? – The BA.2 Omicron sub-variant, also known as the stealth Omicron, has been detected in 83 countries worldwide, according to data from GISAID. Even the spike in cases recently occurred in Denmark.

Infectious disease experts are keeping an eye on this more contagious version of the Omicron variant. The stealth Omicron is reportedly 30 percent more infectious, as it now represents nearly 4 percent of new infections in the United States.

While it may be more infectious than the original omicron variant, so far there is no evidence that it might go beyond vaccine protection.

Experts say it’s important to monitor subvariance. But so far, there’s no sign that it’s more dangerous or contagious than the original Omicron.

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However, the introduction of any subvariance worries a global population experiencing COVID exhaustion, as well as emotional and mental exhaustion. The following is a summary of the Omicron Stealth.

Omicron Stealth

Omicron illustration, characteristics of omicron in children (freepik)
Omicron illustration, characteristics of omicron in children (freepik)

The new version of this variant is known as BA.2, while the original Omicron is BA.1. According to World Health Organization (WHO) Trusted Sources, the BA.2 subvariance differs from BA.1 in several mutations, including spike protein.

Some experts refer to the new subvariant as “stealth Omicron” or stealth Omicron, because even though it is listed as positive on the PCR test, the subvariant is not immediately seen as an Omicron variant.

“Omicron and other Covid-19 viruses can mutate when they infect new people and multiply in abundance,” said Dr. William Schaffner, professor of preventive medicine, department of health policy, and professor of medicine, division of infectious diseases, Vanderbilt University Medical Center.

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“The majority of such mutations, or genetic changes, are harmless and have no impact. Statistically, a mutation, or a series of mutations, can occur that can change one or more of the basic characteristics of the virus,” he said.