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Monday
Today
Extreme
Tuesday
Tomorrow
High
Wednesday
Jul 2
High
Thursday
Jul 3
High
Friday
Jul 4
Extreme
Malaria
Zika
Dengue
Yellow Fever
Chikungunya
West Nile Fever
The main mosquito-borne diseases in San Francisco include dengue, chikungunya, and Zika virus.
Use insect repellent, wear protective clothing, and eliminate standing water to reduce mosquito presence.