. 2017 Jun 9;17:411. doi: 10.1186/s12879-017-2511-9

Table 2.

Overall and seasonal acquisition and incidence (per 1000 person-seasons) of methicillin-resistant Staphylococcus aureus, Stenotrophomonas maltophilia, Achromobacter xylosoxidans, and Haemophilus influenzae among young U.S. children with cystic fibrosis, 2003 to 2009

			Season
	Overall		Winter		Spring		Summer		Autumn
	Cases (n)	Incidence^a	Cases (n)	Incidence^a	Cases (n)	Incidence^a	Cases (n)	Incidence^a	Cases (n)	Incidence^a
MRSA	910	16.4	238	19.5	207	15.4	195	13.5	270	17.4
S. maltophilia	1161	21.9	263	22.4	259	20.3	324	23.6	315	21.3
A. xylosoxidans	228	3.8	64	4.9	43	2.9	54	3.4	67	3.9
H. influenzae	2148	50.5	563	56.8	524	52.2	537	50.0	534	44.4

MRSA, methicillin-resistant Staphylococcus aureus; S. maltophilia, Stenotrophomonas maltophilia; A. xylosoxidans, Achromobacter xylosoxidans; H. influenzae, Haemophilus influenzae

^a Per 1000 person-seasons