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Sure Sign You've Already Had COVID, Says Study

This is the most common symptom of long-haulers.
FACT CHECKED BY Checkmark Alek Korab
Sad woman lying on bed in a bedroom.

Since the start of the COVID-19 pandemic, health experts have been struggling to understand why some individuals—even those with initially mild to moderate symptoms—continue to experience symptoms long after the virus is gone. The phenomenon has been dubbed "long COVID" and those suffering from it, long haulers. So, how do you know if you are a long hauler and already battled an infection? According to a new study, the majority of long haulers identified one main symptom. Read on—and to ensure your health and the health of others, don't miss these Sure Signs You've Already Had Coronavirus

63% of Patients Had Fatigue, Says the Research

The study involved 1,733 COVID-19 patients who were discharged from Jin Yin-tan Hospital in Wuhan, China, between January 7th and May 29th 2020 with a median age of 57 years. Of those surveyed, 76 percent of patients were still suffering from at least one symptom six months after their initial infection. The research, published last week in The Lancet found that 63 percent of long haulers reported the lingering symptom of fatigue or muscle weakness. The second most common symptom? Sleep difficulties, with 26 reporting slumber struggles. Additionally, nearly a quarter of patients revealed that they suffered from anxiety or depression. 

"Because Covid-19 is such a new disease, we are only beginning to understand some of its long-term effects on patients' health," study leader Dr. Bin Cao of the China-Japan Friendship Hospital and Capital Medical University, explained in a statement

"Our analysis indicates that most patients continue to live with at least some of the effects of the virus after leaving hospital, and highlights a need for post-discharge care, particularly for those who experience severe infections. Our work also underscores the importance of conducting longer follow-up studies in larger populations in order to understand the full spectrum of effects that Covid-19 can have on people."

Another interesting finding of the study is that researchers noted declining antibodies to the virus amongst patients, revealing they fell by more than half (52.5%) after six months in 94 patients whose immune response was tested at the peak of the infection.

RELATED: 7 Tips You Must Follow to Avoid COVID, Say Doctors

How to Survive This Pandemic

As for yourself, follow Dr. Anthony Fauci's fundamentals and help end this surge, no matter where you live—wear a face mask, social distance, avoid large crowds, don't go indoors with people you're not sheltering with (especially in bars), practice good hand hygiene, get vaccinated when it becomes available to you, and to protect your life and the lives of others, don't visit any of these 35 Places You're Most Likely to Catch COVID.