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Tuesday
Today
Extreme
Wednesday
Tomorrow
Extreme
Thursday
Jun 19
Extreme
Friday
Jun 20
High
Saturday
Jun 21
Moderate
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.