Table 1

Schedule for blood collection in immunity study as relationship to vaccination

Participant who is not getting COVID-19 vaccine (one time point)Participant who will but has not received any vaccine
(four time points		Participant who has received one or more dose of vaccine
(one to at the most four time points depending on the timing of vaccination)

  • Baseline at enrolment

  • Prevaccine

  • Prior to second dose of vaccine

  • 6 months after second dose of vaccine

  • 12 months after second dose of vaccine

If possible:

  • Prior to second dose of vaccine

  • 3 months after second dose of vaccine

  • 6 months after second dose of vaccine

  • 12 months after second dose of vaccine

  • 18 months after second dose of vaccine