A lecturer in biomedical science has provided insights into two new variants of the coronavirus, raising concerns about their transmission and symptoms. These variants, named Stratus, consist of XFG and XFG.3, which were initially identified in January this year.
The World Health Organization flagged XFG in June for close monitoring due to its increasing prevalence worldwide. By September 3, the UK Health Security Agency reported a 7.1% rise in COVID-19 cases in England compared to the previous week, although the exact impact of the XFG strain remains unclear.
Dr. Gareth Nye from the University of Salford explained that the Stratus variant likely evolved from the Omicron strain of the original coronavirus. Despite receiving significant attention during the summer, it was officially identified in January and has since witnessed a surge in reported infections.
Currently, Stratus has become the predominant form of the disease in many regions, overshadowing other variants. However, the evolution of new strains is a natural occurrence as diseases adapt over time.
Dr. Nye emphasized that COVID-19 has transitioned into a seasonal illness akin to the flu, leading to periodic increases in cases as immunity wanes and new variants emerge. The symptoms associated with XFG and XFG.3 closely resemble the typical signs of coronavirus, with the addition of more severe sore throats and hoarse voices.
As these new variants may evade the immune response from prior infections or vaccinations, Dr. Nye stressed the importance of regular vaccination to combat the latest strains effectively. He likened the process to updating a phone for optimal performance.
While coronavirus has become commonplace, caution remains crucial, especially for vulnerable populations like the elderly, infants, and individuals with underlying health conditions. If experiencing COVID-19 symptoms, testing and self-isolation are essential precautions to prevent further spread of the virus.
For more information about coronavirus, visit the NHS website.

