|
Prime
(Week 0)
|
B1
(Week 6)
|
B2
(Week 52)
|
B3
(~Week 101)
|
---|
Group 1 (n = 4)
|
SC
|
SC
|
SC
|
SC
|
Group 2 (n = 4)
|
IN
|
Group 3 (n = 4)
|
IN
|
IN
|
Adj (SC)
|
Adj (SC)
|
Group 4 (n = 4)
|
Adj (IN)
|
Adj (SC)
|
- B1, B2, B3 – Booster immunization 1, 2, 3; SC – Subcutaneous route; IN – Intranasal route; Adj – Adjuvant only immunization