On Friday, pop singer Pink revealed that both she and her 3-year-old son, Jameson, had tested positive for COVID-19 two weeks earlier. And in an IGTV interview Sunday, she shared more details about their “roller coaster” battle with the disease, USA Today reports.

Perhaps most alarming to Pink was how severely her son was affected, she told Jen Pastiloff during the charity IGTV broadcast, Billboard reports.

”My 3-year-old, Jameson, has had the worst of it. I’ve had many nights where I’ve cried and I’ve never prayed more in my life,” Pink said, according to People. “At one point I heard myself saying, ‘I thought they promised us our kids would be OK.’ It’s not guaranteed. There is no one that is safe from this.”

Jameson has had a fever of at least 100 degrees for three weeks, according to the Hollywood Reporter, in addition to diarrhea, vomiting, constipation, lethargy and more concerning symptoms.

Despite being healthy and only 40-years-old herself, the asthmatic singer revealed that the disease affected her enough to put her on nebulizers for the first time in 30 years, reports USA Today.

The two were re-tested and are now testing negative.

Pink’s other child, Willow, and her husband, Carey Hart, so far have not shown any symptoms, Today.com reports.

To celebrate their recovery and help others battling the illness, Pink has donated $1 million to coronavirus relief efforts, Fox News reports.