New Covid Variants Nimbus and Stratus
Rising Cases
Health officials in the UK and U.S. are tracking a new Covid-19
uptick tied to two variants: XFB (“Stratus”) and NB.1.8.1 (“Nimbus”).
Both are spreading quickly as colder months begin.
Unusual Symptoms
This wave stands out for symptom intensity.
Many patients report extremely sore throats described as feeling like “razor blades,”
along with hoarseness, fatigue, headaches, congestion, and coughs.
Transmission, Not Severity
Experts say the variants are not more severe, but they are more transmissible.
Genetic analysis shows mutations that improve spread,
raising concerns about wider community transmission and added strain on healthcare systems.
Protection and Prevention
Current data indicate vaccines remain effective at preventing severe illness, especially with updated boosters.
Officials advise staying home when sick, masking in crowded indoor spaces, testing when symptoms appear,
and practicing good hygiene as immunity and treatments help limit serious outcomes.
