Most arbovirus infections cause a mild, self-limited illness about 3-15 days after the insect bite. Usually the symptoms are flu-like and last only 3 or 4 days.

The most common symptoms of an arbovirus infection include:

• Body aches
• Fever
• Chills
• Headache

Late symptoms of an arbovirus infection may include:

• Lymph node swelling
• Rash
• Nausea and vomiting

Severe symptoms of an arbovirus infection include:

• Confusion
• Extreme drowsiness
• High fever
• Lethargy:
• A condition of excessive sleepiness or drowsiness.
• Neck pain and stiffness
• Repeated vomiting
• Severe headache
• Seizures