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Artificial Intelligence in Health                                         AI in the battle against COVID-19



              The utilization of AI and big data in managing the   6.2. Machine learning prediction models
            COVID-19 pandemic has been unprecedented. The      A multitude of research studies have investigated the use of
            analysis of vast datasets has provided insights that were   machine learning techniques in predicting and detecting
            previously unattainable, demonstrating the evolution of   COVID-19 based on symptomatology. One notable study
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            AI and data analytics in the context of pandemics.  The   in this domain is presented by Ahamad  et  al.,  who
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            COVID-19  pandemic  has also been a  catalyst for  the   developed a machine-learning model targeting early-stage
            rapid development and adoption of AI in various aspects   symptoms of SARS-CoV-2 infection. Utilizing supervised
            of healthcare and public health. This includes areas such   machine learning methods, they focused on patient
            as disease detection and diagnosis, vaccine development,   characteristics and clinical details such as fever, cough,
            treatment strategies, and epidemiological modeling.   and lung infection to predict COVID-19 status with over
            Significant applications of AI have been identified in the   85% accuracy. Zoabi et al.  introduced a machine-learning
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            COVID-19 pandemic,  building on the results from prior   approach using data obtained from tested individuals in
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            research and the lessons learned from past health crises. The   Israel.  They  trained  their  model  on  information such  as
            pandemic has highlighted the potential of AI to contribute   sex, age, exposure to the infected individual, and clinical
            significantly to managing public health emergencies and is   symptoms recognized at the time of testing. Their model
            likely to set a precedent for future use in similar scenarios.  achieved high accuracies in COVID-19 detection and

            6. AI in COVID-19 detection and diagnosis          identified key symptoms such as fever and cough as leading
                                                               indicators for positive diagnosis.
            The COVID-19 pandemic has spurred an unprecedented   In the paper published by Menni  et al.,  data were
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            reliance on AI technologies in disease detection and   obtained from a COVID-19 symptom tracker smartphone
            diagnosis. This section elucidates the multifaceted role   app with 2.6 million users in the United States and the
            of AI in confronting the diagnostic challenges posed by
            COVID-19, highlighting innovative methodologies and   United  Kingdom. The study found a strong association
            their implications in medical diagnostics.         between the loss of smell and taste and COVID-19-positive
                                                               cases. Logistic regressions were employed, and a symptom
            6.1. Imaging techniques                            prediction model was developed, showing high sensitivity
                                                               and specificity in predicting COVID-19.
            The integration of AI into imaging techniques has played an
            important role in the detection and diagnosis of COVID-19.    6.3. NLP in symptom assessment
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            Deep learning models, particularly convolutional neural   NLP has been instrumental in the development of
            networks, have been employed to discern patterns in chest   AI-based chatbots and virtual health assistants during the
            X-ray images and computed tomography scans indicative of   COVID-19 pandemic. 53,54  These platforms are capable of
            viral infection. 44,45  Various large datasets of medical images   conducting preliminary symptom assessments through
            from COVID-19  patients were independently collected   patient interactions, streamlining the assessment and
            for training and validating deep learning models used in   triage process, and facilitating early detection of potential
            detecting COVID-19 in patients. 46,47
                                                               COVID-19 cases. Interactive digital health assistants, such
              These deep learning models not only detect COVID-  as Symptoma, have shown to be more accurate than online
            19 but also predict and assess the severity of the disease,   questionnaires  in  identifying  COVID-19  cases  because
            which is vital for accurate diagnosis and effective patient   users can input more detailed information regarding
            management. These AI-driven systems can quantify   their symptoms through a natural language conversation
            the degree of lung damage, detect signs of pneumonia,   with the system.  By offering accessible and immediate
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            and identify other complications associated with severe   assistance to the public, these tools alleviate the stress and
            COVID-19 infections.  Advanced imaging techniques   overwhelming  volume  faced  by telephone hotlines and
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            have enabled health-care professionals to gauge the extent   medical institutions.
            of lung involvement and other critical factors that classify   Furthermore, AI chatbots with advanced NLP
            the severity of the infection.  This capability is crucial for   capabilities have extended their services to include
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            triaging patients, determining appropriate levels of care,   mental health support. The pandemic has led to increased
            and making timely decisions regarding treatment strategies.  levels of stress, anxiety, and other mental health issues
              These AI-driven tools that analyze medical images have   among the population. Chatbots have provided a first
            demonstrated remarkable efficacy in enhancing the speed   line of psychological support, offering coping strategies,
            and accuracy of COVID-19 diagnosis, thereby alleviating   mindfulness exercises, and, in some cases, referral to
            the burden on healthcare systems.                  mental health professionals. 56


            Volume 1 Issue 2 (2024)                         6                                doi: 10.36922/aih.2401
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