Northwestern Study Reveals App's Role in Long COVID Recovery Tracking

Jan 18, 2026, 2:37 AM
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A recent study from Northwestern Medicine has shed light on the potential of a mobile application to track recovery patterns among patients suffering from long COVID. The research, published in BMC Neurology, involved 63 participants who logged their symptoms and perceived improvements using the Neuro-COVID Recovery Care Companion (NCRCC) app over a three-month period.
Participants in the study reported a range of neurological symptoms, including brain fog, fatigue, and shortness of breath, which are common among long COVID patients. The app allowed users to complete daily surveys on 12 specific symptoms and compare their perceived recovery to their pre-COVID baseline. At the end of the study, 43% of participants were classified as "improvers," indicating measurable improvement, while 57% reported no change in their condition.
Dr Igor J. Koralnik, who led the study, emphasized that recovery from long COVID is often not a straightforward process. "The people who improved over the three-month period had more variation and setbacks in their symptoms than those who did not improve," he noted. This finding challenges the common belief that steady improvement is synonymous with healing, highlighting the complex nature of long COVID recovery.
The study also revealed that women were less likely to report improvements compared to men, and those who experienced changes in their senses of smell and taste were similarly less likely to improve. Interestingly, participants classified as "improvers" tended to perform better on cognitive tests and reported fewer sleep disturbances, suggesting that addressing cognitive function and sleep quality may be crucial for recovery.
Grace Huffman-Gottschling, a participant in the study, shared her experience with long COVID, stating that despite some improvements in her respiratory symptoms, she still faced significant challenges. "For me, a lot of my symptoms haven't gone anywhere, and I haven't really felt a whole lot better," she said. The app's user-friendly design helped her categorize her daily symptoms, but she expressed the emotional toll of living with long COVID in a world that seems to have moved on from the pandemic.
The NCRCC app was reported to be easy to use and satisfactory by both improvers and non-improvers. The researchers believe that the success of this app for long COVID could pave the way for similar symptom trackers for other chronic conditions, empowering patients to manage their health more effectively. Dr Koralnik stated, "We can create other apps for other chronic diseases and empower patients on their often bumpy road to recovery".
As the study progresses, researchers are expanding their efforts to include a larger cohort of patients over a one-year period, aiming to uncover more about the underlying causes of long COVID and how to better manage its symptoms. The findings from this research could significantly impact the understanding and treatment of long COVID, which has affected millions globally, with estimates suggesting over 400 million cases worldwide and a substantial economic impact of approximately $1 trillion annually.
In conclusion, the Northwestern study highlights the importance of innovative approaches, such as mobile applications, in tracking and understanding the recovery process for long COVID patients. As research continues, the hope is to develop more effective strategies for managing this complex condition, ultimately improving the quality of life for those affected by long COVID.

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