COVID-19 Testing and Vaccine
COVID-19 Vaccine Information TEXAS State Click Here
NASA Healthcare Services encourages residents to get tested for COVID-19 if you feel you have it or have been in contact with someone who tested positive.
Free testing is available regardless of citizenship status and insurance.
COVID-19 Vaccines NASA Healthcare Services is providing COVID-19 vaccinations for FREE
NASA Healthcare Services offers free at-home COVID Vaccines for county residents living out of Houston city limits. If you or someone you know cannot visit a testing site because of disability status, lack of transportation, or other valid reasons, contact us at or schedule an appointment at
Register a vaccine through contact us at Make An Appointment
The COVID-19 vaccine is here. Several vaccines have been authorised by the U.S. Food and Drug Administration (FDA). Learn more below.
Pfizer-BioNTech COVID-19 vaccine: This vaccine is authorised for emergency use in persons aged 12 years and older. This vaccine requires two doses given 21 days apart. Clinical trial data shows that the vaccine is 95 percent effective at preventing COVID-19 infection starting seven days after the second dose. Individuals will not be considered fully protected until one to two weeks after they receive the second dose. Find more information on the CDC’s website.
Moderna COVID-19 vaccine: This vaccine is authorised for emergency use in persons aged 18 years and older. This vaccine requires two doses given 28 days apart. Clinical trial data shows the vaccine is about 94 percent effective after the second dose. Find more information on the CDC’s website