What is the risk for each of the quarantine options?

  • Based on an analysis conducted by CDC scientists, if the person in quarantine is infected, ending quarantine at day 14 results in minimal (0.1%) risk that the person will transmit the virus to someone else. 
  • If quarantine is shortened to 10 days without testing, the risk of transmission after 10 days is 1 in 70 (1.4%). If quarantine is shortened to 7 days with testing performed 48 hours before the end of quarantine, the remaining risk is 1 in 19 (5.5%) if a rapid test is used and 1 in 25 (4.0%) if a PCR test is used.
  • Reducing the length of quarantine may make it easier for people to quarantine and is balanced against a small possibility of increasing the spread of the virus.

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