Epidemiology:
Tropical/subtropical parts of the Caribbean region, Central/South America, Africa & Asia
Vector: Aedes mosquitoes (also transmit dengue, yellow fever & Zika viruses)
Signs / symptoms:
Incubation period: 3-7 days
High fever & severe polyarthralgia (almost always present)
Headache, myalgia, conjunctivitis, maculopapular rash
Lymphopenia, thrombocytopenia, transaminitis
Treatment / management:
Supportive care (initial symptoms usually resolve in 7-10 days)
Chronic arthralgia/arthritis frequently occurs (may require methotrexate)
