Symptoms typically appear suddenly after an incubation period of 2 to 21 days (averaging 8 to 10 days). Early ("Dry") Symptoms Sudden fever Fatigue and muscle pain Severe headache and sore throat Advanced ("Wet") Symptoms Nausea, vomiting, and diarrhea Impaired kidney and liver function

: Fruit bats of the Pteropodidae family are considered the natural hosts.

The virus is zoonotic, meaning it spreads from animals to humans, and can subsequently spread through human-to-human transmission.