Trial Visits

Visit Start Rule
After the visit of COVID-19 illness onset
Surveillance swab sample collection at week 2
Surveillance swab sample collection at week 4
Surveillance swab sample collection at week 6
Surveillance swab sample collection at week 8
Surveillance swab sample collection at week 10
Surveillance swab sample collection at week 12
Surveillance swab sample collection at week 14
Surveillance swab sample collection at week 16
Surveillance swab sample collection at week 18
Surveillance swab sample collection at week 20
Surveillance swab sample collection at week 22
Surveillance swab sample collection at week 13
Surveillance swab sample collection at week 15
19 to 23 days after visit 1 or 56 to 70 days after visit 1
Optimally within 3 days after potential COVID-19 illness onset
28 to 35 days after potential COVID-19 illness visit

Visit End Rule
End of COVID-19 illness convalescent visit 1
End of COVID-19 illness convalescent visit 2
End of COVID-19 illness convalescent visit 3
End of COVID-19 illness convalescent visit 4
End of COVID-19 illness convalescent visit 5
End of COVID-19 illness convalescent visit 6
End of COVID-19 illness convalescent visit 7
End of COVID-19 illness convalescent visit 8
End of COVID-19 illness convalescent visit 9
End of COVID-19 illness convalescent visit 10
End of COVID-19 illness convalescent visit 11
End of COVID-19 illness convalescent visit 12
End of COVID-19 illness convalescent visit 13
End of COVID-19 illness convalescent visit 14
End of COVID-19 illness convalescent visit 15
End of COVID-19 illness convalescent visit 16
End of COVID-19 illness convalescent visit 17
End of COVID-19 illness convalescent visit 18
End of COVID-19 illness convalescent visit 19
End of COVID-19 illness convalescent visit 20
End of illness telehealth visit assessment
End of repeat screening visit assessment