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Table 1 Schedule of activities for participants in a single cohort (semester)

From: Non-specific effects of rabies vaccine on the incidence of common infectious disease episodes: study protocol for a randomized controlled trial

  

1st semester

Semester breaka

2nd semester

Weeks since allocation (study week)

Wk -1

Wk 1

Wk 2

Wk 3

Wk 4

Etc.

Wk 15

Wk 16

Wk 17

Etc.

Wk 25

Wk 26

Wk 27

Wk 28

Weeks of semester/break

Wk 1

Wk 2

Wk 3

Wk 4

Wk 5

Etc.

Wk 1

Wk 2

Wk 1

Etc.

Wk 8

Wk 9

Wk 10

Wk 11

Enrollment

 Information

X

X

             

 Eligibility screen

X

X

             

 Informed consent

X

X

             

 Contraindication screening

  

X

            

 Allocation

  

X

            

Interventionb

 Dose 1

  

X

            

 Dose 2

   

X

           

 Dose 3

     

X

         

Assessments

 Baseline

 

X

             

 Weekly illness survey (1–26)

    

X

(S1)

X

(S2)

X

(Etc.)

X

(S 13)

X

(S 14)

X

(S 15)

X

(Etc.)

X

(S 23)

X

(S 24)

X

(S 25)

X

(S 26)

 Solicited adverse events

  

X

X

 

X

         

 Unsolicited adverse events

  

X

X

X

X

         

 Blood collection (efficacy ancillary study)

 

X

(D -7)

         

X

(D 180)

   

 Blood collection (immunology ancillary study)

  

X

(D 0)

  

X

(D 21)

 

X

(D 90)

       

 Study exit

              

X

  1. aSome semester breaks are 3 weeks long, in which case Weeks 27 and 28 since allocation will fall in Weeks 9 and 10 of the sixth semester
  2. bSchedule shown here assumes administration of the first dose in Week 2 and administration of subsequent doses per schedule (day 7 and day 21). If necessary, participants can begin the intervention at any time in the first 12 weeks of the semester