Adrian Taylor says he spent the weekend "in hell" after being struck down by the flu four days ago.
"It's been hell, I have lost about four kilos and haven't left the house.
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"I've had fever, have not been able to move or get out of bed, I've had headaches, coughing and I got tonsillitis that was brought on by the flu."
The 33-year-old health and safety manager from South Melbourne said he received the flu vaccination, but it did not stop the vicious virus.
![Adrian Taylor has had the flu since Friday, and says he has lost about 4 kilos.](http://web.archive.org./web/20170816143638im_/https://www.fairfaxstatic.com.au/content/dam/images/g/x/w/r/8/m/image.related.articleLeadwide.620x349.gxwhow.png/1502834146430.jpg)
"I haven't been able to eat for the last four days. I'm a healthy eater, I work out five or six times a week, I have no idea where this has come from."
Australia is in the midst of what is likely to be the worst flu season in at least 15 years, with more than 70,000 people struck down by the dreaded lurgy so far this year.
So far, there have been more than 71,256 lab-confirmed cases of the flu across the country this year. Children and teenagers, aged 10 to 19, have been among the hardest hit.
However, that number only represents cases that have been confirmed by a laboratory after an ill person visits their doctor and a nasal swab is taken for testing; the real number is likely to be much higher.
![Mr Taylor has contracted Influenza A.](http://web.archive.org./web/20170816143638im_/https://www.fairfaxstatic.com.au/content/dam/images/g/x/w/r/8/k/image.related.articleLeadwide.620x349.gxwhow.png/1502834146430.jpg)
There have been more than twice as many confirmed cases in the first seven months of 2017 than the same time period last year.
Should current trends continue, doctors believe this year will the worst in the past 15 years.
On Tuesday, Mr Taylor received tests back from his doctor, showing he had Influenza A.
Experts say there are four different strains of the virus circulating this year: Influenza A-H1N1, A-H3N2, B-Victoria and B-Yamagata.
The B strains are relatively stable, but the A strains tend to mutate.
"This is impacting right across the spectrum of the age ranges of the community," said Professor Paul Van Buynder, a specialist in public health with the Gold Coast Hospital and Health Service.
"We're expecting that we're not only going to break the weekly records, but we will break all the records. We're hoping we're at the peak, but it's possible that next week we'll have even more than we had."
Three people aged 81, 94 and 103, died after contracting influenza when it swept through the Royal Freemasons' Monash Gardens residential care centre last month in Mulgrave.
The Department of Health said the centre notified authorities of a flu outbreak on July 11. The highly-contagious virus infected 38 people at the facility, including staff.
However, the three victims all had serious underlying health conditions, a department spokesman said.