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Topic - Aussie Flu
Posted: June 21 2019 at 10:57pm By EdwinSm,
Last year Australia seems to have had a mild flu session. The following look at the death rate for last year (so we can compare this year's rate) is from Australian Influenza Surveillance Report - 2018 National Influenza Season Summary

Quote The number of deaths reported in notified cases of laboratory confirmed influenza to the NNDSS in 2018 to date (n=57) was considerably lower than the 5 year average (378). Furthermore, as a ratio to all notified cases, deaths in 2018 (1 death per 847 notifications) was also much lower than the 5 year historic range (range: 1 death per 457 notifications in 2015 to 1 death per 218 notifications in 2017).


Deaths reported in notified cases to the NNDSS have largely been in the elderly. The median age of deaths reported in notified cases was 80 years (range: 1 to 100 years), with 75% of deaths in people aged 65 years and older.


The number of influenza-associated deaths reported to the NNDSS does not represent the true mortality associated with this disease. The number of deaths is reliant on the follow up of cases to determine the outcome of their infection. The follow up of cases is not a requirement of notification, and are only inclusive of laboratory-confirmed cases of influenza. Due to retrospective revision, the variation across jurisdictions in methodology, representativeness and timeliness of death data, and reporting of an outcome of infection not being a requirement of notification, year on year comparisons of deaths in notified cases of influenza may not be reliable.