Heartbroken Mother’s Crusade: ‘Why I Want Genetic Testing for Every Child Who Dies Suddenly’
- Danielle Green lost two children to a rare genetic mutation that can cause cardiac problems, and now she’s fighting for change.
- Her baby boy Sonny and daughter Airlie both died suddenly, with their cause of death initially unknown.
- Genetic testing later revealed they had a rare condition called PPA2 deficiency, which affects the heart’s mitochondria.
- Danielle is now calling for mandatory genetic testing for all infants who die suddenly, to prevent other families from suffering the same fate.
Danielle Green’s life was turned upside down when her nine-month-old baby boy Sonny died suddenly in 2021. Despite a coronial investigation, the cause of his death remained a mystery.
Just three years later, her daughter Airlie, then five months old, also died under similar circumstances.
It wasn’t until after Airlie’s death that genetic testing revealed the shocking truth: both children had a rare genetic mutation called PPA2 deficiency, which affects the heart’s mitochondria and can lead to sudden cardiac-related deaths.
The Green family’s nightmare began when Sonny became unwell with gastro and went into cardiac arrest. Despite the efforts of medical staff, he couldn’t be saved.
Danielle was left with more questions than answers, and the investigation into his death couldn’t determine the cause.
When she and her husband Leon conceived another child, genetic testing was not discussed or offered, and they were told that Sonny’s death was a “very sad accident”.
Tragically, history repeated itself when Airlie contracted gastro and went into cardiac arrest. This time, however, genetic testing was ordered, and the results revealed the rare genetic condition.
But it was too late for Airlie, who died at just 18 months old. Danielle was left to pick up the pieces and try to make sense of the tragedy that had befallen her family.
Danielle’s grief is still raw, and she struggles to come to terms with the loss of her two children. “The kids aren’t here.
Your house is quiet again because you don’t have a kid running around,” she says, her voice cracking with emotion. But she’s determined to use her experience to push for change.
She wants mandatory genetic testing for all infants who die suddenly, to prevent other families from suffering the same fate.
Danielle’s crusade has won the support of experts, including Gina Ravenscroft, a genome biology and genetics professor at the Harry Perkins Institute of Medical Research.
Ravenscroft wrote a letter of support for Danielle’s campaign, stating that the lack of genetic testing is “delaying critical interventions that could benefit future children and other family members”.
Analysis: What This Means for Australia
The Green family’s tragedy highlights a critical issue in Australia’s healthcare system. While genetic testing is available, it’s not always offered to families who have lost a child suddenly.
This can lead to a lack of answers and a sense of uncertainty that can be devastating for those left behind. Danielle’s campaign for mandatory genetic testing could be a game-changer for families like hers.
Security analysts say that mandatory genetic testing could also have significant implications for public health. By identifying rare genetic conditions, healthcare professionals can take proactive steps to prevent similar tragedies in the future.
This could include pre-conception testing for couples who have a family history of genetic disorders.
Law enforcement insiders warn that the lack of genetic testing can also have serious consequences for the justice system. In cases where a child’s death is sudden and unexplained, genetic testing can provide critical evidence that can help investigators determine the cause of death.
Without it, families may be left with unanswered questions and a sense of injustice.
The WA Health Department has announced that it’s exploring the feasibility of a health system-led approach to facilitate genomic testing for families of children who have died suddenly.
This is a crucial step forward, but more needs to be done to ensure that all families have access to genetic testing and the answers they deserve.
Danielle’s story is a heartbreaking reminder of the importance of genetic testing in preventing sudden and unexplained deaths. By sharing her experience, she hopes to raise awareness and push for change.
As she says, “A simple genetic test could have changed everything for me.
I may have only lost one child, not two children.” Her crusade is a testament to the power of a mother’s love and her determination to make a difference.





