The woman, who was unvaccinated, passed away in January and was one of six people in the state to jam caught the viruses at the same time.
All of the other cases were aged below 65 and were vaccinated.
University of Queensland infectious diseases expert Paul Griffin said on Sunrise: “We need people to be concerned enough to get vaccinated.’’
“It’s quite significant and we know it increases the chance of all serious outcomes from either infection so you’re much more likely to another hospital and likely to have those consequences.
“The fact that we have these viruses circulating highlights the importance of PCR testing, labs contest for flu and corona and other respiratory viruses, so this is where we will have to deviate a bit away from rapid antigen testing.”