New COVID Variant NB.1.8.1: Increased Transmissibility, Symptoms & Vaccine Effectiveness

Jun 8, 2025 United States United States Health
New COVID Variant NB.1.8.1: Increased Transmissibility, Symptoms & Vaccine Effectiveness

A new COVID variant, NB.1.8.1, is more transmissible. Symptoms are similar to other recent variants. Understanding vaccine effectiveness is crucial.

New COVID Variant NB.1.8.1: Increased Transmissibility

A new COVID-19 variant, named NB.1.8.1, is currently circulating. Preliminary data suggests it may be more transmissible than earlier strains.

Symptoms and Signs

According to Dr. Zachary Hoy, a pediatric infectious disease specialist, the symptoms of NB.1.8.1 appear similar to those of other recently circulating COVID variants. Early detection is key.

Vaccine Effectiveness

The effectiveness of existing vaccines against NB.1.8.1 is a significant factor in managing its spread. Further research is ongoing.

When to Seek Medical Attention

Knowing when to treat symptoms at home and when to consult a doctor is crucial for managing the infection effectively.

By news 1 day ago