Health officials are closely monitoring a new COVID variant that has been rapidly spreading across the United States and Europe in recent weeks. This latest mutation, officially designated as XFG but commonly known as “Stratus,” represents a significant development in the ongoing evolution of the SARS-CoV-2 virus.
What is the Stratus (XFG) variant?
The Stratus variant emerged from a combination of two previous strains – F.7 and LP.8.1.2. First detected in Southeast Asia in January, this new COVID variant has shown remarkable growth, expanding from virtually no presence to approximately 14% of all US cases by late June.
Scientists have observed that Stratus demonstrates enhanced transmissibility compared to previous variants, though it currently remains classified as a low health risk by the World Health Organization (WHO).
Distinctive symptoms and characteristics
While many symptoms align with previous variants, Stratus has introduced some unique characteristics:
- Distinctive hoarseness or scratchy throat
- Traditional COVID symptoms (fever, fatigue, cough)
- Potentially milder illness in most cases
- Shorter recovery period for many patients
Current spread and impact
The prevalence of this new COVID variant varies by region, with some areas showing significant concentration:
- 54% of detected variants in Bay Area wastewater
- Growing presence in 40 US states
- Increasing cases across Europe
Prevention and protection
Healthcare experts recommend following established preventive measures to protect against the Stratus variant:
- Staying up-to-date with COVID-19 vaccinations
- Maintaining good hand hygiene
- Using masks in high-risk settings
- Monitoring for symptoms and testing when necessary
Conclusion
While this new COVID variant presents some unique characteristics, health authorities emphasize that existing preventive measures remain effective. Continued monitoring and research will help better understand Stratus’s impact on public health.
Sources
- NDTV: New COVID-19 Variant Spreading in US
- NewsNation: COVID Stratus Variant Spreading
- Wired: Feeling Hoarse? You Might Have the New Stratus COVID Variant


























