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Tuesday
Today
High
Wednesday
Tomorrow
Extreme
Thursday
Jul 24
Extreme
Friday
Jul 25
Extreme
Saturday
Jul 26
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.