Some of the earliest COVID-19 survivors still experienced symptoms one year after leaving the hospital, according to a new study.

The study — published in JAMA Network Open — found that 45% of early COVID-19 survivors from Wuhan, China, had at least one COVID-19 symptom one year after they were released from the hospital.

The most common symptoms among these survivors included:

  • Fatigue.
  • Sweating.
  • Chest tightness.
  • Anxiety.
  • Muscle pain.

The study found that having severe COVID-19 increased the likelihood of having a long-term symptom, too. Per Ars Technica, the study found that 54% of the 680 severe cases observed in the study had at least one symptom one year later. But 41.5% of the 1,752 nonsevere cases had one symptom.

  • The study followed up on 2,433 adult patients in Wuhan who were infected with the coronavirus early in the pandemic.
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There has been ongoing research about how the coronavirus impacts people for the long term. A study released in May found the majority of severe COVID-19 cases led to long-term symptoms for survivors. As I wrote for the Deseret News, the study found about 75% of patients with severe COVID-19 had at least one long-term symptom.

Per CNN, the study said the most common symptoms were:

  • Fatigue.
  • Shortness of breath.
  • Brain fog or “an inability to concentrate.”
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Dr. Anthony Fauci, the director of the National Institute for Allergy and Infectious Diseases, told CNN that the COVID-19 vaccine can help stop long-term symptoms from developing.

  • “There’s a syndrome that is referred to as long-COVID, which means that you get a syndrome following the clearing of the virus where it could be for months,” he said, according to CNN.