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Recommendations for Quarantine of Vaccinated People who are in Close Contact with COVID-19 Individuals

Updated February 11, 2021

Tarrant County Public Health’s protocol follows updated CDC guidance on Vaccinated Persons.

While mRNA COVID-19 vaccines have demonstrated high efficacy at preventing severe and symptomatic COVID-19, there is currently limited information on how much the vaccines might reduce transmission and how long protection lasts.

In addition, the efficacy of the vaccines against emerging SARS-CoV-2 variants is not known.

At this time, vaccinated persons should continue to follow current guidance to protect themselves and others, including:

  • wearing a mask
  • staying at least six feet away from others
  • avoiding crowds, avoiding poorly ventilated spaces
  • covering coughs and sneezes
  • washing hands often
  • following CDC travel guidance, and
  • following any applicable workplace or school guidance, including guidance related to personal protective equipment use or SARS-CoV-2 testing.

However, vaccinated people with exposure to someone with suspected or confirmed COVID-19 are not required to quarantine if they meet all the following criteria:

  • Are fully vaccinated (i.e., being fully vaccinated is two weeks following receipt of the second dose in a two-dose series or two weeks following receipt of one dose of a single-dose vaccine)
  • Are within three months following receipt of the last dose in the series
  • Have remained asymptomatic since the current COVID-19 exposure.

People who do not meet all three of the above criteria should continue to follow current quarantine guidance after exposure to someone with suspected or confirmed COVID-19.


This page was last modified on March 02, 2021


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