moderate risk
Human T-lymphotropic virus 1
HTLV-1
When to seek urgent care: Seek medical care if symptoms are severe or persistent
Key facts
Family
Retroviridae
Type
RNA virus
Severity
Moderate
Incubation
weeks to months
Vaccine
Limited
Est. cases tracked
3,611
Symptoms
Often asymptomaticFatigueJaundice (late)
Transmission
BloodBody fluids
Prevention
Avoid sharing needlesBlood screeningSafe sex
Treatment
Supportive care; hospitalization if severe
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.