Table 4.
Longitudinal analysis of vaccine effectiveness against hospitalizations associated with breakthrough infections in Minnesota, split by month.
Month | mRNA-1273 Incidence Rate Events/Person-Days [Per 1000 Person-Days] (# Individuals Contributing) |
BNT162b2 Incidence Rate Events/Person-Days [Per 1000 Person-Days] (# Individuals Contributing) |
Unvaccinated Incidence Rate Events/Person-Days [Per 1000 Person-Days] (# Individuals Contributing) |
IRR mRNA-1273 / Unvax | IRR BNT162b2 / Unvax | IRR mRNA-1273 / BNT162b2 |
---|---|---|---|---|---|---|
February | 0/14117.0 [0] (n = 1575) | 0/15974.0 [0] (n = 1554) | 0/15848.0 [0] (n = 1601) | N/A | N/A | N/A |
March | 1/123233.0 [0.0081] (n = 6958) | 1/135930.0 [0.0074] (n = 6594) | 9/138478.0 [0.065] (n = 7435) | 0.12 (0.0028, 0.9) | 0.11 (0.0026, 0.82) | 1.1 (0.014, 87) |
April | 1/303102.0 [0.0033] (n = 14469) | 2/330648.0 [0.006] (n = 15144) | 20/346174.0 [0.058] (n = 16422) | 0.057 (0.0014, 0.36) | 0.1 (0.012, 0.43) | 0.55 (0.0092, 10) |
May | 1/509149.0 [0.002] (n = 18465) | 3/534837.0 [0.0056] (n = 19536) | 25/582284.0 [0.043] (n = 21411) | 0.046 (0.0011, 0.28) | 0.13 (0.025, 0.43) | 0.35 (0.0067, 4.4) |
June | 0/576677.0 [0] (n = 20603) | 1/600226.0 [0.0017] (n = 21455) | 7/667073.0 [0.01] (n = 24039) | 0 (0, 0.8) | 0.16 (0.0035, 12) | 0 (0, 41) |
July | 3/628674.0 [0.0048] (n = 21107) | 4/654236.0 [0.0061] (n = 21994) | 18/733732.0 [0.025] (n = 24721) | 0.19 (0.037, 0.67) | 0.25 (0.061, 0.76) | 0.78 (0.11, 4.6) |