Pathogen

Epidemiology

• Pig, flying fox

• Swine: highly contagious, maybe asymptomatic...

Clinical features

• Incubation period 3-14 days

• Fever, headache, encephalitis (similar to JE)

• Complications

Diagnosis

Treatment

Prevention

History

• 1998-1999: Malaysia outbreak, thought to be JE but not controlled by insecticide or vaccination. Then new virus discovered

• 1999: Singapore; 22 infections

• Other outbreaks: 2004, Bangladesh