2022
DOI: 10.1016/j.clinsp.2022.100007
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Patient with agammaglobulinemia produces anti-SARS-CoV-2 reactive T-cells after CoronaVac vaccine

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Cited by 6 publications
(6 citation statements)
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“…Eleven of 17 patients with humoral deficiencies in our study opted for CoronaVac. Whole-virion inactivated vaccines could elicit T cell response against other structural proteins such as N and M unelicited by S-only mRNA vaccines ( 20 , 39 ), which correlate with protection against severe disease and infection ( 40 , 41 ), and are not susceptible to mutations in Omicron ( 29 ). In our patients with humoral immunodeficiencies and no breakthrough COVID-19, 4 out of 5 patients in our study had a detectable SNM-specific IFN-γ + CD4 + T cell response after just 2 doses of CoronaVac; the single patient who did not have a detectable IFN-γ + CD4 + T cell response had an IL-2 + CD4 + T cell response.…”
Section: Discussionmentioning
confidence: 99%
“…Eleven of 17 patients with humoral deficiencies in our study opted for CoronaVac. Whole-virion inactivated vaccines could elicit T cell response against other structural proteins such as N and M unelicited by S-only mRNA vaccines ( 20 , 39 ), which correlate with protection against severe disease and infection ( 40 , 41 ), and are not susceptible to mutations in Omicron ( 29 ). In our patients with humoral immunodeficiencies and no breakthrough COVID-19, 4 out of 5 patients in our study had a detectable SNM-specific IFN-γ + CD4 + T cell response after just 2 doses of CoronaVac; the single patient who did not have a detectable IFN-γ + CD4 + T cell response had an IL-2 + CD4 + T cell response.…”
Section: Discussionmentioning
confidence: 99%
“…Remarkably, all XLA patients evaluated developed speci c IFN-γ-dependent cellular immune response, which highlights that vaccination in this population, despite not generating antibody protection, may provide cellular protection. Other authors have also described that T-cell compartment is normal in these patients characterized by absent or very low frequency of peripheral mature B-cells [34,35].…”
Section: Discussionmentioning
confidence: 75%
“…Remarkably, all XLA patients evaluated developed specific IFN-γ-dependent cellular immune responses, which highlights that vaccination in this population, despite not generating antibody protection, may provide cellular protection. Other authors have also described that the T cell compartment is normal in these patients, characterized by the absence or very low frequency of peripheral mature B cells [ 48 , 49 ].…”
Section: Discussionmentioning
confidence: 99%