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Updated: Nov 25, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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Asymptomatic COVID-19 with ambiguous test results.

Arne Johan Norheim, Andreas Lind, Arne Michael Taxt

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    Mass testing for SARS-CoV-2 can be challenging. A probable asymptomatic infection was identified in a military recruit, highlighting difficulties in interpreting screening results for healthy individuals.

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    Area of Science:

    • Infectious Diseases
    • Immunology
    • Public Health

    Background:

    • Widespread testing for SARS-CoV-2, including PCR and antibody tests, is crucial for managing the COVID-19 pandemic.
    • Mass screening of asymptomatic individuals presents interpretation challenges and potential issues.

    Observation:

    • A healthy 19-year-old military recruit, asymptomatic throughout, presented with a positive rapid SARS-CoV-2 test and antibodies upon enrollment.
    • Initial upper respiratory tract PCR tests were negative, but became positive six weeks later.

    Findings:

    • The case suggests a probable asymptomatic SARS-CoV-2 infection.
    • Discordant results between antibody and PCR testing were observed.

    Implications:

    • This case underscores the complexities of interpreting COVID-19 screening in asymptomatic populations.
    • Accurate diagnosis and management strategies require careful consideration of diverse testing outcomes.