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(Journalist)
– A year after the World Health Organization first declared COVID-19 a pandemic, researchers are still working to understand the disease – and why some patients are still experiencing symptoms months after being infected. Many ‘long-haul’ coronaviruses experienced only mild symptoms, if any, upon initial infection, according to a new study. The study analyzed the medical records of 1,407 people in California who tested positive but were never hospitalized. Researchers say there are likely many more undiagnosed cases of long-term COVID. “We know that some of the long-term symptoms appear much later than two months,” co-author Dr. Natalie Lambert told the New York Times. “So there is potential for a wide range of long-term symptoms that they will not associate with COVID.”
The study found that just over a quarter of patients, 59% of whom were women, reported symptoms more than 60 days after infection. Lambert also interviewed more than 5,000 people contacted via the Survivor Corps website for long haul, NBC News reports. She says that while more research is needed, early results suggest symptoms initially manifest in waves, with fever, chills, and early-stage gastrointestinal symptoms, such as in patients who do not. long journey, followed by heart and blood pressure problems of about 15 years. days later, and symptoms like mouth sores and “COVID toes” come in a week later. After 60 days, researchers say, symptoms such as cough, muscle aches, headaches, and high heart rates come in clusters that can change from day to day. The study did not look at “brain fog,” which doctors say is also a common long-term symptom. (Read more stories about coronaviruses.)
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