Covid Vaccine

Protecting public health and reopening the State's economy now depends on millions of Californians getting vaccinated. The following information details vaccine safety and delivery:

Vaccine Safety and Efficacy

Vaccines work with your immune system so your body will be ready to fight the virus if you are exposed. Two vaccines, both based on messenger RNA (mRNA), have been authorized for emergency use. Visit the links below to understand how these vaccines and others work. Once you are vaccinated, it will help your body develop immunity to the COVID-19 virus without you having to get sick first.

How to Get Vaccinated

The Orange County Health Care Agency (HCA) has transitioned away from providing Vaccination Super POD Sites and is now offering Mobile POD clinics to help OC residents get vaccinated.

REGistering Through OTHENA

To register to receive a vaccination appointment through the County, visit, select the "First Time User" button, and answer the questions. After registering, users will be put into a digital waiting room to wait their turn for a vaccine appointment. The Othena system generates email appointment invitations as soon as appointments open up at vaccine dispensing locations. If users download the Othena app, the app will notify users when appointments become available. Appointments are limited by vaccine supply, so please be patient as you may not be able to get an appointment immediately after registering.

If you do not have access to an internet-connected device to sign up online or need help with the registration process, please call the OC Health Care Agency's hotline at 714-834-2000. The hotline is available seven days a week from 8:00 a.m. to 5 p.m. with live, trained operators who can answer questions related to Othena and vaccine-related issues.

Other VAccine PRoviders

The HCA's mobile clinics are not the only options to receive a vaccination. Other healthcare providers approved to dispense the vaccine, including hospitals, pharmacies, and health clinics, play an essential role in vaccinating Orange County’s population.

The following Hospitals/Medical Providers in Orange County are distributing the vaccine:

The following pharmacy chains in Orange County are distributing the vaccine:

For more vaccination providers, please visit the County's website. Please be advised that only people who are eligible to receive the vaccine will be provided a vaccine by any provider. Please check with your healthcare provider to inquire if they will be offering vaccination appointments.

For more information

Residents can also visit for the latest information on who is currently eligible to be vaccinated and learn about its safety and efficacy. For questions related to COVID-19, visit For all other questions, please call the County of Orange COVID-19 hotline at 714-834-2000. The hotline is available seven days a week from 8:00 a.m. to 5 p.m. with live, trained operators.