Chikungunya Fever - Africa, Indian Subcontinent, Southeast Asia. Sporadic cases as well as large outbreaks have occurred in these areas. Chikungunya Fever is a viral infection transmitted by mosquitoes. Symptoms include fever, headache, nausea, a rash, and the abrupt onset of pain in one or more joints. Deaths rarely occur from Chikungunya fever, but residual joint stiffness can last for weeks or months.
Treatment is limited and no vaccine is available.
Oropouche Virus Disease - Brazil, Panama, and Trinidad. Large outbreaks have occurred of this nonfatal viral infection which is transmitted by gnats or midges found in some urban areas of the Amazon Basin. Symptoms include abrupt high fever, severe headache, muscle and joint pain, nausea, and diarrhea. Treatment is limited and no vaccine is available. Ross River Virus infection is transmitted by mosquito bites.