Criteria for Diagnosis of Rift Valley Fever

Age of the person

Gender of the patient

Has the patient had an unexplained illness?

Duration of illness

• been clinically jaundiced?

• aborted (if pregnant at onset)?

• shown hemorrhage (petechiae, purpura, ecchymoses, clinical bleeding)?

• shown neurological signs (vertigo, confusion, disorientation, convulsions, lethargy, asterixis, coma)?

• been febrile?

• had diarrhea?

• shown nausea or vomiting?

• had abdominal pain?

• died for unexplained reason following a febrile illness?

Hemoglobin

Platelet count per µL

Serum creatinine

Serum LDH

Upper limit of reference range for LDH

Serum CK

Upper limit of reference range for CK

Serum ALT

Upper limit of reference range for ALT

Serum AST

Upper limit of reference range for AST

Serum GGT

Upper limit of reference range for GGT

Is the blood positive for RVF antigen?

Is the patient's serum positive IgM antibody to the Rift Valley Fever virus?

Was the serum sample for antibody testing collected 7 or more days after disease onset?