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10.1371/journal.pone.0249499

http://scihub22266oqcxt.onion/10.1371/journal.pone.0249499
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34133415!8208542!34133415
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suck abstract from ncbi


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pmid34133415      PLoS+One 2021 ; 16 (6): e0249499
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  • Human IgG and IgA responses to COVID-19 mRNA vaccines #MMPMID34133415
  • Wisnewski AV; Campillo Luna J; Redlich CA
  • PLoS One 2021[]; 16 (6): e0249499 PMID34133415show ga
  • SARS-CoV-2 spike antigen-specific IgG and IgA elicited by infection mediate viral neutralization and are likely an important component of natural immunity, however, limited information exists on vaccine induced responses. We measured COVID-19 mRNA vaccine induced IgG and IgA in serum serially, up to 145 days post vaccination in 4 subjects. Spike antigen-specific IgG levels rose exponentially and plateaued 21 days after the initial vaccine dose. After the second vaccine dose IgG levels increased further, reaching a maximum approximately 7-10 days later, and remained elevated (average of 58% peak levels) during the additional >100 day follow up period. COVID-19 mRNA vaccination elicited spike antigen-specific IgA with similar kinetics of induction and time to peak levels, but more rapid decline in serum levels following both the 1st and 2nd vaccine doses (<18% peak levels within 100 days of the 2nd shot). The data demonstrate COVID-19 mRNA vaccines effectively induce spike antigen specific IgG and IgA and highlight marked differences in their persistence in serum.
  • |Antibodies, Neutralizing/blood/immunology[MESH]
  • |Antibodies, Viral/blood/immunology[MESH]
  • |COVID-19 Vaccines/genetics/*immunology[MESH]
  • |COVID-19/blood/*immunology/virology[MESH]
  • |Enzyme-Linked Immunosorbent Assay[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Immunoglobulin A/blood/*immunology[MESH]
  • |Immunoglobulin G/blood/*immunology[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |RNA, Messenger/genetics/immunology[MESH]
  • |SARS-CoV-2/genetics/*immunology/physiology[MESH]
  • |Spike Glycoprotein, Coronavirus/genetics/immunology[MESH]
  • |Vaccination[MESH]


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