NB.1.8.1 may spread faster and better evade immunity than previous strains.
Symptoms mirror earlier variants, including fever, cough, fatigue, and severe sore throat.
www.fingerlakes1.com/2025/06/20/p...
NB.1.8.1 may spread faster and better evade immunity than previous strains.
Symptoms mirror earlier variants, including fever, cough, fatigue, and severe sore throat.
www.fingerlakes1.com/2025/06/20/p...