Vaccine appointments full after Houston Health Department opens 13,000 slots over the weekend

Dr Talib Abubacker prepares a does of the AstraZeneca COVID-19 vaccine, at the Guru Nanak Gurdwara Sikh temple, on the day the first Vaisakhi Vaccine Clinic is launched, in Luton, England, Sunday, March 21, 2021. (AP Photo/Alberto Pezzali) (Alberto Pezzali, Copyright 2021 The Associated Press. All rights reserved)

HOUSTON – The Houston Health Department opened 13,070 new COVID-19 vaccination appointment slots on Sunday for the week of March 22-27. As of Monday afternoon, all slots have been filled.

The appointments are for the Johnson & Johnson vaccine at Bayou City Event Center or the first doses of Moderna vaccine at Delmar Stadium and The Parking Spot. All of the Johnson & Johnson appointments had been filled by Monday morning.

People eligible for vaccination under the Texas Department of State Health Services criteria can visit or the following direct links to self-register.

The appointment portals are officially closed until further notice.

Appointments are only confirmed upon receipt of an email or text message and confirmation numbers will be verified on-site.

People who show up without confirmed appointments will be turned away.

Appointment registration is also available by phone to people age 60 and older through the Area Agency on Aging at 832-393-4301.

People with disabilities can call the Aging and Disability Resource Center at 832-393-5500.

Anyone else needing registration assistance can contact the COVID-19 call center at 832-393-4220.

The department sent appointment invitations to about 80,000 people on its vaccine waitlists with a response rate of approximately 35%. The waitlists are currently closed but appointment invitations will continue to go out to people on the lists. The department may reopen the waitlists in the future.

People can learn about new appointment opportunities through email, text message, voice call, or mobile app push notification by registering for the HoustonRecovers subscription of AlertHouston at Additional information is available at

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