Table 2. Annual hospitalisation rate (per thousand live births) in the first year of life by birth month in 2014–19.

Birth month	All-cause ALRI	RSV-associated ALRI
January	51.04 (42.06–61.36)	34.03 (25.84–43.99)
February	38.36 (30.07–48.23)	23.32 (15.84–33.10)
March	28.82 (21.94–37.18)	13.18 (7.53–21.40)
April	23.78 (17.14–32.15)	11.89 (5.44–22.57)
May	22.14 (15.81–30.14)	6.04 (2.22–13.14)
June	20.54 (14.80–27.76)	10.27 (4.70–19.49)
July	34.61 (27.27–43.32)	16.90 (10.46–25.84)
August	33.53 (26.51–41.85)	14.90 (9.10–23.02)
September	42.95 (35.02–52.14)	19.59 (12.80–28.70)
October	58.24 (48.62–69.20)	28.75 (20.44–39.30)
November	61.95 (51.87–73.41)	40.01 (30.67–51.29)
December	73.15 (62.19–85.48)	49.87 (39.23–62.52)

RSV = respiratory syncytial virus; ALRI = acute lower respiratory infection.