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A new COVID-19 variant, NB.1.8.1, initially detected in China, is spreading globally and has reached the US. Currently comprising 10% of global SARS-CoV-2 sequences, it shows increased transmissibility due to spike protein mutations. Symptoms resemble previous variants, primarily mild respiratory illness and fatigue. While the WHO notes no increase in severe illness or deaths, current vaccines are expected to offer protection against severe disease, particularly for high-risk individuals. Experts advise home treatment for mild cases, with medical attention sought for severe symptoms like breathing difficulties.

Prepared by Olivia Bennett and reviewed by editorial team.