close mobile menu icon

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.

Frequently Asked Questions

Revised 05/08/21

What You Should Know (Infographic)

Updated 06/08/21




Difficulty Breathing
Symptoms may also include: chills, muscle or body pain, fatigue, headache, sore throat, nausea or vomiting, diarrhea, congestion or runny nose, or new loss of taste or smell. This list of symptoms is not all inclusive. Please consult your medical provider for any other symptoms that are severe or concerning to you.

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

CDC: US COVID-19 Cases Caused by Variants

View a map showing the number of confirmed cases in each state of the new COVID-19 variant.

Contact Tracing

Contact tracing is a simple, confidential process that has been used by public health departments for decades to slow the spread of infectious diseases and avoid outbreaks. You can do your part by answering a few simple questions when Public Health calls.

English | Español

What If I'm Sick?

Learn About Symptoms & What To Do If You Are Sick

English | Español | Other languages

Learn About Symptoms & What To Do If You Are Sick (Poster)

English | Español | Other languages

What If I have COVID-19?

Home Isolation Instructions for People with COVID-19

English | Español | Other languages

Clinical and Vaccine Trial Information

Get Help

If you have questions and would like to speak to someone, or need help finding medical care, call the Los Angeles County Information line 2-1-1, which is available 24/7.

211 LA County Help starts here logo

Get Adobe Reader
Adobe Reader

Note: PDF documents on this site were created using Adobe Acrobat 5.0 or later. Document functionality may be reduced if you are using an earlier version (4.x or less). Get the latest version of Adobe Acrobat.

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.

Los Angeles County Seal: Enriching lives through effective and caring services