XFG could become the next dominant COVID variant. Here’s what to know about ‘Stratus’
- Written by Paul Griffin, Professor, Infectious Diseases and Microbiology, The University of Queensland

Given the number of times this has happened already, it should come as little surprise that we’re now faced with yet another new subvariant of SARS-CoV-2, the virus responsible for COVID.
This new subvariant is known as XFG (nicknamed “Stratus”) and the World Health Organization (WHO) designated it a...