Dr. Tomas Aragon

San Francisco Man Contracts West Nile Virus This is San Francisco's first ever human case of West Nile virus in which the patient was infected via a mosquito bite.
San Francisco Officials Fear Disease Will Spread At Occupy EncampmentPoor sanitation and evidence of lice and fleas at the Occupy San Francisco encampment endanger the health of everyone in the overcrowded, makeshift tent city at Justin Herman Plaza, public health officials said Wednesday.