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New COVID Variant 'Stratus' Is Spreading in the U.S. and Worldwide: What Are the Symptoms?

  • A new COVID variant known as 'Stratus', or XFG, was first detected in Southeast Asia in January and became the third-most common strain in the U.S. by late June, accounting for 14% of cases according to the CDC.
  • The World Health Organization added XFG, also known as 'Stratus', to its watchlist and assessed the public health risk as 'low', stating that vaccines are 'expected to remain effective' against it.
  • Microbiology Professor Subhash Verma noted that there is no clear evidence that XFG causes more severe disease or different symptoms compared to earlier Omicron variants.
  • Currently, there is no evidence that XFG leads to distinct symptoms, though hoarseness has been anecdotally associated with the strain.
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A new strain of the Stratus coronavirus has been recorded in the Poltava region. The global share of this COVID-19 variant has now increased from 7.4% to 22.7% over the month. This was reported by RBC-Ukraine with reference to Facebook by the Poltava Regional Center for Disease Control and Prevention. It is reported that the Public Health Center attributed the pathogen isolated from patients in the Poltava region to the XFG genetic line. The Wor…

Although the COVID-19 pandemic is long behind us, the coronavirus persists. Two new subvariants—Nimbus and Stratus—have recently gained strength. Experts reassure that the epidemiological situation in Poland is stable, but people in at-risk groups should take precautions. How can you recognize an infection with these variants?

The latest National Epidemiological Bulletin reported three infections with this sublining of Ómicron.

The Ministry of Health confirmed that subvariate XFG, a recombination of Ómicron nicknamed “Frankenstein”, is already present in the country. Although it does not generate more serious tables, they recommend keeping the vaccination up to date.

The new variant of the Covid XFG, which they call “Frankenstein”, is a recombination of two subvariants of Ómicron, which is why it has popularly received that name. It is a strain under the supervision of the World Health Organization (WHO), which emerged in Asia, spread rapidly across Europe, crossed the ocean and two weeks ago its presence was registered in southern Brazil. Now the first cases have been detected in Argentina. This is indicate…

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A24.com broke the news in on Tuesday, August 5, 2025.
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