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Some people with ‘long Covid’ say their symptoms ease after getting vaccine 

An employee draws up a syringe and a container with the BioNTech/Pfizer vaccine, in Schwaz, Austria.

JOHANN GRODER | AFP | Getty Images

Sheri Paulson had trouble getting out of bed months after her Covid-19 diagnosis.

The 53-year-old North Dakota resident and her family fell ill with the disease after attending a wedding in August. Paulson, an endurance athlete who runs a farm outside Fargo, would later suffer from fatigue, brain fog and an elevated heart rate that led doctors to advise her to stop exercising and attend cardiac rehab.

It wasn’t until about five days after she got her first Pfizer shot in February that she began to feel better.

“All of a sudden, I wasn’t taking naps after cardiac rehab anymore,” said Paulson, who also suffers from multiple sclerosis. “And then I started going for walks with my dog. Then I was like, ‘hmm, I think I’m going to run a little bit, too.'”

Some people who have suffered from lingering and often debilitating symptoms months after their initial bout with the virus say they are finding relief after getting vaccinated, puzzling health experts. Survivor Corps, a patient advocacy group for people with so-called long Covid, recently surveyed nearly 900 members and found 41% reported slight relief to full recovery shortly after getting the shots.

The World Health Organization estimates about 1 in 10 Covid patients experience persistently ill health 12 weeks after getting the virus. Researchers at the University of Washington published data in February that found a third of patients reported ongoing symptoms, including fatigue, shortness of breath and sleep disorders, that persisted for as long as nine months.

Symptoms of long Covid, which researchers are now calling Post-Acute Sequelae of Covid-19, or PASC, can develop well after the initial infection, and severity can range from mild to incapacitating, according to public health officials and health experts.

One of the largest global studies published in early January found that many people suffering from ongoing illness after infection are unable to return to work at full capacity six months later. The study surveyed more than 3,700 people ages 18 to 80 from 56 countries.

Diana Berrent, who founded Survivor Corps just over a year ago, suffered for months from long Covid before most of her symptoms resolved on their own last year. She said some members of the organization were at first hesitant to get vaccinated. The members feared that the reported side effects from the shots would cause their symptoms to get worse, she said.

“We were really expecting the worst” from the vaccines, she told CNBC. “You could have knocked me over with a feather when I found out that some people were starting to get better because it was just so outside what we were expecting.”

They are not alone. Facebook and Twitter are filled with stories from people who testify, to their own surprise, that their symptoms eased or even disappeared after getting a Covid vaccine.

Not well understood

The cause of the persistent symptoms is still not well understood by health experts.

Most studies have focused on people with a severe or fatal illness, not those who have recovered but still report lingering side effects, the so-called long-haulers. The virus is also relatively new — discovered a little over a year ago —so there isn’t any long-term data on it.

The National Institutes of Health launched an initiative in February to study long Covid and identify the causes and potential treatments. NIH Director Dr. Francis Collins said at the time that researchers hope to understand the underlying biological cause of the prolonged symptoms.

Doctors also don’t know why some patients with long Covid say they feel better after getting immunized. Figuring that out, experts say, could provide new insights into what’s behind the persistent symptoms as well as potential new treatments.

Sheri Paulson with her dog Jazzy in North Dakota.

Courtesy: Sheri Paulson

The viral reservoir

Symptoms returned

Clinical trials

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