Table 2 Influenza B repeat infection odds.
From: Homotypic protection against influenza in a pediatric cohort in Managua, Nicaragua
Seasons | N | NRI | aOR* | 95% CI | Antigenic distance |
|---|---|---|---|---|---|
B/Victoria | |||||
One year apart | |||||
Summary | 0 | 0.00 | (0.00–0.14) | ||
2016 to 2017 | 1725 | 0 | 0.00 | (0.00–0.18) | 1.6 |
2017 to 2018 | 1727 | 0 | 0.00 | (0.00–0.21) | 1.6 |
2018 to 2019 | 1730 | 0 | 0.00 | (0.00–0.41) | 1.6 |
Two years apart | |||||
Summary | 0 | 0.00 | (0.00–0.32) | ||
2016 to 2018 | 1457 | 0 | 0.00 | (0.00–0.72) | 1.6 |
2017 to 2019 | 1550 | 0 | 0.00 | (0.00–0.12) | 1.6 |
Three years apart | |||||
2016 to 2019 | 1295 | 1 | 1.68 | (0.06–10.05) | 1.6 |
Four years apart | |||||
2012 to 2016 | 1076 | 0 | 0.00 | (0.00–0.43) | 0.8 |
Five years apart | |||||
2012 to 2017 | 935 | 3 | 0.42 | (0.09–1.23) | 0.8 |
Six years apart | |||||
2012 to 2018 | 759 | 1 | 0.44 | (0.01–2.75) | 0.8 |
Seven years apart | |||||
2012 to 2019 | 637 | 2 | 0.96 | (0.13–3.91) | 0.8 |
B/Yamagata | |||||
Two years apart | |||||
2017 to 2019 | 1585 | 2 | 0.60 | (0.09–2.10) | 0.6 |
Three years apart | |||||
2014 to 2017 | 1326 | 4 | 0.74 | (0.21–1.92) | 0.6 |
Five years apart | |||||
2014 to 2019 | 1018 | 1 | 0.11 | (0.00–0.65) | 0.6 |
