high risk

Omsk hemorrhagic fever virus

OHF

When to seek urgent care: Seek urgent medical care for severe symptoms

Key facts

Family

Flaviviridae

Type

RNA virus

Severity

High

Incubation

1-3 weeks

Vaccine

Yes

Est. cases tracked

8,950

Symptoms

FeverHeadacheMuscle painFatigue

Transmission

Tick bite

Prevention

Tick protectionPrompt tick removalAvoid tall grass

Treatment

Supportive care; hospitalization if severe

Related viruses (same family)

Dengue virus Zika virus Yellow fever virus West Nile virus Japanese encephalitis virus Tick-borne encephalitis virus

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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.