Notifiable infectious disease report

Influenza Notifications

Notifiable Infectious Diseases Reports, WA Department of Health

Number of influenza notifications in Western Australia,
by month and year of disease onset, January 2018 to March 2023
Month and year of disease onset
Data provided up to the most recent complete time period.

Number and rate of influenza notifications in Western Australia,
by month and year of disease onset, January 2018 to March 2023
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total Rate *
2018 283 314 247 160 228 435 726 926 1138 637 341 395 5830 211.1
2019 586 508 415 576 3586 10531 4948 1020 392 214 180 257 23213 823.7
2020 495 378 223 27 17 24 9 6 2 3 6 13 1203 41.8
2021 2 4 1 2 6 6 3 0 0 3 3 4 34 1.3
2022 4 5 9 17 488 3815 6359 1753 514 359 337 378 14038 525.7
2023 346 477 194^ - - - - - - - - - 1017
* Rate=annual crude rate per 100,000 population. Rates only provided for those years with complete data.
^Data for current and most recent reporting periods may be incomplete.

Guide to interpreting notifiable infectious disease data for Western Australia

Note
Notification data includes all cases diagnosed in Western Australia (WA residents and non-WA residents).
Data are preliminary and subject to change as updates are received.

Influenza notifications in Western Australia, by 5 year age group and sex,
for the last 12 months: 01/01/2022 - 31/12/2022
5 Year Age Groups

Number of Influenza notifications in Western Australia, by 5 year age group and sex,
for the last 12 months: 01/01/2022 - 31/12/2022
Sex 0-4 5-9 10-14 15-19 20-24 24-29 30-34 35-39 40-44 45-49 50-54 55-59 60-64 65+ Total Sex%
Males 665 963 680 675 438 423 462 458 379 332 258 237 199 502 6671 48%
Females 602 804 597 725 598 598 682 646 449 334 282 250 238 562 7367 52%
Total 1267 1767 1277 1400 1036 1021 1144 1104 828 666 540 487 437 1064 14038 100%
Data excludes persons whose age or sex is unknown.

Note
Notification data includes all cases diagnosed in Western Australia (WA residents and non-WA residents).
Data are preliminary and subject to change as updates are received.

Guide to interpreting notifiable infectious disease data for Western Australia

Source
WA Notifiable Infectious Diseases Database (WANIDD), Communicable Disease Control Directorate, Department of Health WA.
Data exported on: 20 March 2023.