COVID-19 Vaccine Information

Harris County Public Health has been administering a limited supply of the COVID-19 Moderna vaccine to healthcare professionals and people over 65 or those with underlying health conditions.

To see if you qualify, please view registration steps or find other local providers here.



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Coronavirus (COVID-19) Vaccine Information





About COVID-19 Vaccines

The COVID-19 vaccine is here. As of December 17, 2020, two vaccines have been authorized by the U.S. Food and Drug Administration (FDA). 

  • Pfizer-BioNTech COVID-19 vaccine: This vaccine is authorized for emergency use in persons aged 16 years and older. This vaccines 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 authorized 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.




This page is a subset of the content found on the live HCPH website to be used for illustration purposes only. It does not reflect the full content of the COVID-19 Vaccine Information webpage.