About COVID-19
What is COVID-19?
COVID-19 is a respiratory illness that typically causes mild to moderate illness, like the common cold, but can lead to dangerous complications. The virus that causes COVID-19 is a novel coronavirus that was first identified during an investigation into an outbreak in Wuhan, China and is now infecting people around the world.
Symptoms

Fever

Cough

Difficulty Breathing
How It Spreads

Close personal contact such as caring for an infected person

Droplets produced through coughing, sneezing, speaking and breathing

Touching an object or surface with the virus on it, then touching your mouth, nose, or eyes before washing your hands
COVID-19 Variants
View a map showing the number of confirmed cases in each state of the new COVID-19 variant.
Contact Tracing
What If I'm Sick?
Home Isolation Instructions for People with COVID-19
Learn About Symptoms & What To Do If You Are Sick
Learn About Symptoms & What To Do If You Are Sick (Poster)
Testing
COVID-19 Testing Information
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Clinical and Vaccine Trial Information
Other
Mosquitoes and COVID-19
Mosquitoes in LA County can spread West Nile virus but do not spread COVID-19Get Help
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Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.
