The past week was a busy one in Florida as far as mosquito borne infections. Imported human cases of chikungunya, dengue fever and malaria were reported plus the state reported a locally acquired dengue fever case in Miami-Dade County, the first of the year.
Fifteen cases of chikungunya fever were reported this week in persons that had international travel: Alachua, Broward (5), Miami-Dade, Okaloosa, Palm Beach (3), and Polk (4) Counties. In 2014, 81 travel-associated cases have been reported. All total, Broward County has seen a fourth of the cases (20) while travel to Haiti was associated with 75 percent of cases (61).
In addition to the autochthonous dengue fever case acquired in Miami-Dade County, two addition imported cases were reported in the state. These were seen in Orange and Volusia Counties and bring the total to 26 cases linked to international travel.
The number of travel-associated malaria cases increased by five during the past week, bringing that total to 25. Seven out of 10 cases were diagnosed as Plasmodium falciparum, the most serious type of malaria.
Concerning non-human infections with Eastern equine encephalitis virus (EEEV), the state reported infections in three additional horses and two deer. In 2014, positive samples from 85 sentinel chickens, 2 deers and 24 horses have been received from 23 counties.
Alachua, Levy, Marion, Miami-Dade, Pasco, and Volusia County are currently under a mosquito-borne illness advisory. No other counties are currently under mosquito-borne illness advisory or alert. For more infectious disease news and information, visit and “like” the Infectious Disease News Facebook page