News Releases

West Nile Virus is transmitted by mosquitoes and spread by migrating birds. Disease in humans is rare, but its consequences can be severe. If you develop an illness with high fever, headache, stiff neck, confusion, or muscle weakness, see your doctor immediately.

• City Rolls Out West Nile Virus Prevention Campaign - (doc)

• Warmer Weather Heats Up West Nile Virus Threat - (doc)
• City Readies for West Nile Virus Season - (pdf)

2005

• San Francisco Announces Third West Nile Virus Case - (doc)
• San Francisco Announces Second West Nile Virus Case - (doc)
• West Nile Virus Season San Francisco Style - (doc)
• San Francisco Announces First Human Case of West Nile Virus - (doc)
• West Nile Virus Season Approaching - Report Dead Birds - (pdf)