Zika Virus risk in Havana

Zika Virus Risk Prevention Guide for Havana, Cuba What is Zika? Zika is a viral infection transmitted primarily through the bite of infected Aedes mosquitoes. Most cases are mild, with symptoms including fever, rash, joint pain, and red eyes. The major concern is for pregnant women or those planning pregnancy, as Zika can cause serious birth defects including microcephaly. Local Risk Factors in Havana Havana presents several specific concerns. The tropical climate supports year-round mosquito breeding. Aging infrastructure means many buildings have standing water in gutters, containers, and cisterns. Limited air conditioning in homes and guesthouses increases window and door exposure. Neighborhoods like Centro Habana and Habana Vieja are densely populated with older construction. Public waste management is inconsistent, creating breeding sites. Local healthcare resources for testing and treatment are limited. Prevention Steps Use EPA-registered insect repellent containing DEET, picaridin, or oil of lemon eucalyptus. Apply every 4-6 hours, especially during dawn and dusk when Aedes mosquitoes are most active. Wear long-sleeved shirts and long pants treated with permethrin when spending time outdoors. Light-colored clothing is preferred as mosquitoes are attracted to dark colors. Inspect your accommodation daily. Empty any standing water in flower pots, buckets, old tires, or drainage areas. Keep windows closed or use intact screens. Sleep under bed nets if screens are damaged or unavailable. If pregnant or planning pregnancy within 6 months, consult your physician before traveling. Consider postponing non-essential travel given Havana's elevated risk score of 62/100. Seek immediate medical attention if you develop fever, rash, or joint pain during or after your visit. Inform your healthcare provider about your travel history. Sexual transmission is possible, so use barrier protection for at least 8 weeks after returning, or 6 months if symptoms appeared.