Table 1.

Estimated posterior distribution of the effective reproduction number (mean and 95%CI). Only types/subtypes that accounted for more than 15% of the seropositive samples are considered

Season	Mean effective reproduction number (95%CI)
	Influenza type/subtype
	A/H1N1pdm09	A/H3N2	B
2010–2011	1.29 (1.16–1.5)	–	1.28 (1.19–1.38)
2011–2012	–	1.31 (1.27–1.34)	–
2012–2013	1.11 (1.1–1.12)	–	1.33 (1.29–1.38)
2013–2014	1.1 (1.09–1.11)	1.11 (1.09–1.12)	–
2014–2015	1.14 (1.12–1.15)	1.14 (1.12–1.16)	1.1 (1.08–1.11)
2015–2016	1.08 (1.07–1.1)	1.09 (1.08–1.11)	1.25 (1.22–1.27)
2016–2017	–	1.16 (1.14–1.17)	–
2017–2018	1.41 (1.37–1.46)	–	1.27 (1.25–1.3)
2018–2019	1.22 (1.2–1.24)	1.19 (1.17–1.21)	–
2019–2020	1.11 (1.09–1.12)	1.14 (1.13–1.15)	1.23 (1.22–1.25)