By CBSNewYork Team

TEANECK, N.J. (CBSNewYork) — For some, the fight against COVID-19 symptoms doesn’t end when the virus leaves their body.

The government is now on a mission to learn more about the mysterious issues plaguing so-called “COVID long-haulers.”

READ MORE: Dr. Fauci Expects Decision On Whether To Resume Johnson & Johnson COVID Vaccine By Friday

Several of them opened up to CBS2’s Jessica Layton about their struggles.

A brand new home studio was a dream come true for fitness instructor Pam Newman. The idea was born while she was sick in bed with coronavirus almost a year ago.

FLASHBACK: COVID Long Haulers Still Suffering Long-Term Effects Of Virus Months Later

The wife and mother of three from Teaneck was one of the first confirmed patients in New Jersey.

“I had the fever for 31 days,” Newman told Layton.

Doing cardio after recovering from COVID, she noticed a discomfort in her chest. A full physical revealed a 40% blockage of her left main coronary artery, which wasn’t there before she got sick.

“He said if I walked into an emergency room with a print-out of that EKG, they would crack me open and do open heart surgery,” Newman said.

A YEAR IN THE PANDEMIC: REMEMBRANCE & RESILIENCE

Eleven months later, during intense workouts, the pain persists.

“So why do I have pain? And what was the answers? Long haulers, don’t know. There’s so many unknowns,” said Newman. “So it’s really scary still.”

A recent study published by the Journal of the American Medical Association found about 30% of COVID-19 patients reported persistent symptoms as long as nine months after illness, including debilitating fatigue, shortness of breath, brain fog, continued lack of taste and smell, gastrointestinal, kidney and heart issues.

READ MORE: COVID Vaccine In NYC: New Yorkers Leave Appointment Stress Behind As City-Run Sites Begin Accepting Walk-Ins For Anyone Over Age 50

“The virus probably set off some kind of immune reaction, probably immune reaction to your own tissues, and in some individuals it manifests itself one way and in others another,” Dr. Laurie Jacobs, of Hackensack University Medical Center, told Layton.

COVID VACCINE

Why it attacks certain people and how to prevent it remain a medical mystery.

“I think that was really the frustrating part — I felt really alone,” said Darlene Tejeiro, of West New York, New Jersey.

Tejeiro is thrilled the National Institutes of Health has committed $1 billion to study why so many survivors experience long term symptoms as part of the syndrome now scientifically called PASC, or Post Acute Sequelae of COVID-19.

“We’re struggling, we’re suffering. This is very, very real,” Tejeiro said.

There’s no telling how long it will impact their lives.

“You can’t describe the fatigue,” Margaret Fleming-Keane, of New Milford, said. “I can’t walk down the block and back… So this is a complete lifestyle change for me.”

Fleming-Keane is a nurse who’s just back to working part time after getting sick in the fall. She believes until we have more answers, attitude is important.

“Don’t be hard on yourself. Be mindful of yourself,” she said.

Staying positive, knowing when you consider the scope of the crisis, they are the lucky ones.

“I’m so thankful. I could have been so much worse, so much worse,” said Newman.

MORE NEWS: COVID Vaccine In New York: Walk-In Appointments Offered To All New Yorkers Over 50 At City-Run Sites

CBS2’s Jessica Layton contributed to this report.

CBSNewYork Team