Daily Mail News – health
By ALEXA LARDIERI, US DEPUTY HEALTH EDITOR and ELEN JOHNSTON, HEALTH REPORTER
Published: 09:02 EDT, 1 October 2025 | Updated: 13:14 EDT, 1 October 2025
A croaky voice and a sharp, ‘razor blade’ sore throat are emerging as tell-tale signs of the latest Covid variants now sweeping the US.
The strains, XFB, dubbed Stratus, and NB.1.8.1, known as Nimbus, are fueling a surge in infections, with cases spiking specifically in the northeast in the last several weeks.