Volume 28, Number 1—January 2022
Research
Effects of Nonpharmaceutical COVID-19 Interventions on Pediatric Hospitalizations for Other Respiratory Virus Infections, Hong Kong
Table 1
Pediatric hospitalizations for acute febrile illness or respiratory symptoms caused by viruses other than severe acute respiratory syndrome coronavirus 2 and numbers of infections detected, Pamela Youde Nethersole Eastern Hospital and Queen Mary Hospital, Hong Kong Island, China*
Month | No. laboratory-confirmed virus infections/no. hospitalizations for acute febrile illness or respiratory symptoms (%) |
||||
---|---|---|---|---|---|
2017, n = 6,010 | 2018, n = 5,445 | 2019, n = 5,44 | 2020, n = 1,525 | 2021, n = 89 | |
Jan | 349/509 (68.6) | 457/613 (74.6) | 514/646 (79.6) | 291/391 (74.4) | 19/89 (21.3) |
Feb | 269/424 (63.4) | 377/528 (71.4) | 259/351 (73.8) | 46/136 (33.8) | NA |
Mar | 332/515 (64.5) | 346/484 (71.5) | 389/503 (77.3) | 31/167 (18.6) | NA |
Apr | 351/521 (67.4) | 229/375 (61.1) | 327/452 (72.3) | 12/137 (8.8) | NA |
May | 394/571 (69.0) | 313/451 (69.4) | 339/488 (69.5) | 10/141 (7.1) | NA |
Jun | 456/608 (75.0) | 271/417 (65.0) | 378/540 (70.0) | 13/88 (14.8) | NA |
Jul | 557/697 (79.9) | 308/413 (74.6) | 308/471 (65.4) | 14/87 (16.1) | NA |
Aug | 280/397 (70.5) | 190/332 (57.2) | 195/356 (54.8) | 10/89 (11.2) | NA |
Sep | 316/461 (68.5) | 259/388 (66.8) | 270/439 (61.5) | 18/83 (21.7) | NA |
Oct | 293/464 (63.1) | 330/464 (71.1) | 267/433 (61.7) | 13/91 (14.3) | NA |
Nov | 265/438 (60.5) | 333/462 (72.1) | 219/389 (56.3) | 110/163 (67.5) | NA |
Dec |
264/405 (65.2) |
396/518 (76.4) |
227/375 (60.5) |
26/85 (30.6) |
NA |
Median (range), %† | 67.9 (60.1–79.9) | 71.2 (57.2–76.4) | 67.4 (54.8–79.6) | 17.3 (7.1–74.4) | NA |
*Respiratory viruses were influenza A virus, influenza B virus, respiratory syncytial Virus, adenovirus, parainfluenza virus types 1–4, human metapneumovirus, enterovirus/rhinovirus. NA, not applicable. †Kruskal-Wallis test demonstrated significant difference among different years (p<0.001), and Dunn post hoc test indicated a significant difference for only 2020 compared with previous years (p<0.05).