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Table 3 Timing of site initiation visits (SIVs), greenlight and first clinics for each site

From: Delivering COVID-19 vaccine trials at speed: the implementation of a phase IV UK multi-centre randomised controlled trial to determine safety and immunogenicity of COVID-19 vaccines co-administered with seasonal influenza vaccines (ComFluCOV)

Site

Date of SIV

Number of days between SIV and greenlight

Number of days between greenlight and date of first clinic (visit 1)

NHS Hospital Trust 1

24/03/21

7

1

NHS Hospital Trust 2

24/03/21

15

2

NHS Hospital Trust 3

24/03/21

15

2

NHS Hospital Trust 4

24/03/21

26

1

NHS Hospital Trust 5

24/03/21

15

8

NHS Hospital Trust 6

24/03/21

16

1

Mass Vaccination Centre 1

26/04/21

14

4

NHS Hospital Trust 7

04/05/21

8

5

NHS Hospital Trust 8

07/05/21

4

6

General Practice 1

04/05/21

6

7

General Practice 2

07/05/21

4

2

General Practice 3

07/05/21

5

3