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Saturday
Today
Extreme
Sunday
Tomorrow
Extreme
Monday
Aug 4
High
Tuesday
Aug 5
Extreme
Wednesday
Aug 6
Extreme
Malaria
Zika
Dengue
Yellow Fever
Chikungunya
West Nile Fever
The main mosquito-borne diseases in Santa Ana are West Nile Virus and occasionally St. Louis Encephalitis, though cases are rare.
Use insect repellents, wear long sleeves during dawn and dusk, eliminate standing water, and keep windows screened to reduce mosquito exposure.