Besides yellow fever and chikungunya, these are diseases endemic to Haiti: (sourced from the CIA World Factbook)
. Hepatitis (progressing rto hemmorrhagic fever, encephalitis or ocular disease)
. Dengue fever
. Leptospirosis
. Schistosoma
. Lassa fever
. Meningococcal meningitis
I saw Jeb Robertson from Duck Dynasty on Fox, and he had passed out and scared everyone..it turned out he had meningitis or encephalitis attack, but it passed (his family is family of prayer)...
That makes me think of this mosquito because LA is hot and humid....and many illegals have probably passed through there too. Of course the mosquitos are so common in the swamps.