moderate risk
Influenza B
Seasonal flu B
When to seek urgent care: Seek care if symptoms worsen or breathing difficulty
Key facts
Family
Orthomyxoviridae
Type
RNA virus
Severity
Moderate
Incubation
1-4 days
Vaccine
Yes (annual)
Est. cases tracked
3,811
Symptoms
FeverCoughSore throatFatigueMuscle aches
Transmission
Respiratory droplets
Prevention
Annual vaccinationHand hygiene
Treatment
Antivirals; supportive care
Related viruses (same family)
This page is educational information, not medical advice or a diagnosis. For health concerns, consult a qualified healthcare professional. In an emergency, call your local emergency number.