Health
Closing the Serological Gap in the Diagnostic Testing for COVID‐19: The Value of Anti‐SARS‐CoV‐2 IgA Antibodies – Wiley
BACKGROUND
During COVID‐19 pandemic, the early diagnosis of patients is a priority. Serological assays, in particular IgM and IgG anti‐SARS‐CoV‐2, have today several applications but the interpretat…

BACKGROUND
During COVID19 pandemic, the early diagnosis of patients is a priority. Serological assays, in particular IgM and IgG antiSARSCoV2, have today several applications but the interpretation of their results remain an open challenge. Given the emerging role of the IgA isotype in the COVID19 diagnostics, we aimed to identify the SARSCoV2 IgA antibodies in a COVID19 population seronegative for IgM.
METHODS
A total of 30 patients hospitalized in San Giovanni di Dio Hospital (Florence, Ita…
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