What data are available about reinfection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)?

Updated: Jun 16, 2020
  • Author: Medscape Drugs & Diseases; more...
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Answer

Answer

There are no data concerning the possibility of reinfection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) after recovery from coronavirus disease 2019 (COVID-19). [1] Thus, previous infection with SARS-CoV-2 has not been proven to confer immunity. [2]

Viral RNA shedding falls as symptoms resolve and may continue for days to weeks. [1] However, RNA detection during recovery does not necessarily indicate the presence of viable infectious virus. Clinical recovery has been correlated with the detection of immunoglobulin (Ig)M and IgG antibodies, which signal the development of immunity. [1]


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