Coronavirus cases and fatalities in California

A regularly-updated map of confirmed COVID-19 cases, borough by borough.

The number is based on confirmed diagnostic tests. It is very likely that the true number of COVID-19 cases is higher as many cases are asymptomatic.

New COVID-19 cases and fatalities per day in California

This is a good indicator of “flattening the curve” — when there is a steady decreasing trend, it is an indicator that the spread of the disease is slowing down.

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Cases, updates, and charts on the coronavirus crisis for each US state and territory. Just follow the links below.

Stay Home Except for Essential Needs FAQs – March 20, 2020

How can people protect themselves?

There is currently no vaccine to prevent COVID-19. The best way to prevent illness is to avoid being exposed to this virus. The virus is thought to spread mainly from person-to-person between people who are in close contact with one another (within about 6 feet). This occurs through respiratory droplets produced when an infected person coughs or sneezes. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs. Older adults and people who have severe underlying chronic medical conditions like heart or lung disease or diabetes seem to be at higher risk for developing more serious complications from COVID-19 illness. Every person has a role to play. So much of protecting yourself and your family comes down to common sense: 

• Washing hands with soap and water.
• Clean and disinfect frequently touched surfaces daily. If surfaces are dirty, clean them using detergent or soap and water prior to disinfection.
• Avoiding touching eyes, nose or mouth with unwashed hands.
• Cover your cough or sneeze with a tissue or your elbow.
• Avoiding close contact with people who are sick.
• Staying away from work, school or other people if you become sick with respiratory symptoms like fever and cough.
  
• If you smoke or vape, consider quitting. Smokers who already have lung disease or reduced lung capacity could be at increased risk of serious illness. 
  
• Following guidance from public health officials.
  

Please consult with your health care provider about additional steps you may be able to take to protect yourself.

Who is at Higher Risk for Serious Illness from COVID-19?

Early information out of China, where COVID-19 first started, shows that some people are at higher risk of getting very sick from this illness. This includes:

• Older adults (65+)
• Individuals with compromised immune systems
• Individuals who have serious chronic medical conditions like:
  • Heart disease
  • Diabetes
  • Lung disease

Watch for symptoms

Reported illnesses have ranged from mild symptoms to severe illness and death for confirmed coronavirus disease 2019 (COVID-19) cases.

These symptoms may appear 2-14 days after exposure (based on the incubation period of MERS-CoV viruses).

• Fever
• Cough
• Shortness of breath

Why are we seeing a rise in cases?

The number of cases of COVID-19 being reported in the United States is rising due to increased laboratory testing and reporting across the country. The growing number of cases in part reflects the rapid spread of COVID-19 as many U.S. states and territories experience community spread. More detailed and accurate data will allow us to better understand and track the size and scope of the outbreak and strengthen prevention and response efforts.

CDC recommendations

Due to widespread transmission in California, CDC recommends expanded and laser focused community mitigation activities to help slow the spread of respiratory virus infections including the novel coronavirus SARS-C0V-2, the cause of the disease COVID-19.

These approaches are used to minimize morbidity and mortality of COVID-19 as well as to minimize the social and economic impacts of COVID-19. Individuals, communities, businesses, and healthcare organizations are all part of a community mitigation strategy.

The focus is on protecting the health care system with expected rise in cases by slowing the spread within the community and focused on protecting the vulnerable members of the community.