Overview
JN.1 is a subvariant of Omicron that became dominant in 2023-2024. It is highly transmissible but generally causes mild illness, especially in vaccinated people.
Symptoms
Symptoms include sore throat, cough, runny nose, headache, fatigue, and sometimes fever.
Causes
JN.1 is a descendant of the Omicron variant with mutations that enhance its transmissibility.
Treatment
Supportive care is usually sufficient. Antivirals are available for high-risk groups.
When to See a Doctor
See a doctor if you are high-risk or have severe symptoms.