This study analyzes serum and saliva samples from individuals with and without prior COVID-19 infection before and after mRNA vaccination. The results suggest that mRNA vaccination induces more robust mucosal secretory IgA (SIgA) responses in individuals with prior SARS-CoV-2 exposure. SIgA induction post-vaccination was more efficient in those with a history of COVID-19.
Publisher
Nature Communications
Published On
Sep 01, 2022
Authors
Kaori Sano, Disha Bhavsar, Gagandeep Singh, Daniel Floda, Komal Srivastava, Charles Gleason, PARIS Study Group, Juan Manuel Carreño, Viviana Simon, Florian Krammer
Tags
mRNA vaccination
COVID-19
SARS-CoV-2
secretory IgA
immune response
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