The “fight for truth is over” a campaigner has said after the infected blood scandal has been described as a “calamity” that “could largely have been avoided”.

More than 30,000 people were infected with deadly viruses while they were receiving NHS care between the 1970s and the early 1990s.

The 2,527-page report from the Infected Blood Inquiry, published on Monday, found the infected blood scandal “a “catalogue of systemic, collective and individual failures” and there was a “pervasive” cover-up to hide the truth.

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Some 3,000 people have since died.

Jason Evans, was just four years old when his father Jonathan Evans died after he was infected with HIV and hepatitis C at the Oxford Haemophilia Centre.

Oxford Mail: Family handout photo of Jason Evans with his father Jonathan, who died when he was four yours old

Mr Evans, from Coventry, attended his first campaign meeting when he was aged one when his father, who was receiving the Factor VIII blood product, took him to meet their MP to seek advice on potential compensation.

“The purpose of that meeting was my dad was asking his MP about compensation for victims of the infected blood scandal,” the 34-year-old director of the Factor 8 campaign group told PA.

“That fight has gone on for me ever since then – 30-plus years, and it feels like we might finally be at the end of that very, very long road.”

Oxford Mail: A family handout of Jason Evans' father Jonathan, who died when he was four years old A family handout of Jason Evans' father Jonathan, who died when he was four years old (Image: PA)Mr Evans said the inquiry’s final report meant the “fight for truth is over” but that “no amount of truth” could help those who had suffered emotional trauma and physical illness.

He said, for him, the key finding of the report is that commercial Factor VIII should “never have been licensed”, and that if that had been the case, his father would still be alive.

Mr Evans said: “For me, the key finding that Sir Brian has been very clear about is a commercial Factor VIII products never should have been licenced for use, and if that was the case, it’s my profound belief, my own father wouldn’t have been infected with HIV, and neither would have hundreds of others and thousands more hepatitis C infections also would not have occurred, so it’s gone to show that this was avoidable.”

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Oxford Mail: Family handout photo of Jason Evans with his father Jonathan, who died when he was four yours old

When asked how he thought his father would feel about the report, Mr Evans said: “Honestly, I think for those who were infected and are still alive, whilst today does bring an end to that search for answers, the physical damage is done.

“For me, it’s the emotional trauma that was suffered over all those years, but for people who suffered the horrendous physical conditions as a result of hepatitis C and HIV, I’m not sure.

“There’s no amount of truth that can help that.

“And if my dad was still here, I’m not sure. Honestly, I’m really not sure how much the truth helps at this long.”

Rishi Sunak has issued a “wholehearted and unequivocal” apology to the victims of the biggest treatment disaster in the NHS, vowing that “comprehensive” compensation will be delivered “whatever it costs”.

Ministers have earmarked around £10 billion for a compensation package.