2022
DOI: 10.1002/14651858.cd015021
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Immunity after COVID-19 vaccination in people with higher risk of compromised immune status: a scoping review

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Cited by 14 publications
(12 citation statements)
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“…SARS-CoV-2 continues to cause severe disease and death, particularly in cancer patients with compromised immune systems, who are more vulnerable to infection [25]. As a result, they are a high-priority category for the COVID-19 vaccine [26,27]. So far, the available evidence regarding the safety and effectiveness of COVID-19 vaccines for vulnerable populations is limited [28].…”
Section: Discussionmentioning
confidence: 99%
“…SARS-CoV-2 continues to cause severe disease and death, particularly in cancer patients with compromised immune systems, who are more vulnerable to infection [25]. As a result, they are a high-priority category for the COVID-19 vaccine [26,27]. So far, the available evidence regarding the safety and effectiveness of COVID-19 vaccines for vulnerable populations is limited [28].…”
Section: Discussionmentioning
confidence: 99%
“…The exclusion criteria were: prior vaccination for COVID-19; pregnancy, or planned pregnancy; breastfeeding; MS relapse within 3 months of study entry; known active infection; infection requiring hospitalization within 4 weeks of study entry; history of cancer, excluding localized skin cancers; immunodeficiency; concomitant disease requiring systemic corticosteroids or immunosuppressants; organ failure; active psychotic illness; active alcohol or drug abuse; immunosuppressives other than OCR; intravenous immunoglobulin or plasmapheresis within 3 months of study entry; prior alemtuzumab, cyclophosphamide, mitoxantrone, azathioprine, mycophenolate mofetil, cyclosporine, methotrexate, total body irradiation, or bone marrow transplantation; treatment with non-OCR anti-CD20 depleting agent within 6 months; severe hypogammaglobulinemia (IgG serum level was <300 mg/dL), lymphopenia (<750/mm 3 ), or neutropenia (<1000/mm 3 ).…”
Section: Methodsmentioning
confidence: 99%
“…1,2 However, immunocompromised individuals who have only a partial immune response to exogenous antigens are not fully immunoprotected after the relevant antigenic exposures. 3 Thus, multiple sclerosis (MS) patients whose humoral immunity has been depressed with therapeutic B-cell depletion have a higher incidence of COVID-19 infections 4–7 and COVID-19-related hospitalizations 8 after they have been vaccinated compared to non-B-cell-depleted, vaccinated MS patients. 9 At the same time, B-cell-depleted patients do benefit from vaccinations, as evidenced by their many-fold lower COVID-19 hospitalization rates following vaccination relative to the pre-vaccination epoch.…”
Section: Introductionmentioning
confidence: 99%
“…Unfortunately, the immunity conferred by natural infection and the different vaccines is not sterilizing, or the level of protective immunity diminishes after some time. For that reason, infections or reinfections have been observed in both cases [ 129 , 130 ], although with less severe symptoms [ 131 , 132 , 133 , 134 , 135 ]. New virus varieties keep spreading among the populations, seriously affecting the unvaccinated or those with comorbidities [ 129 , 130 , 131 , 132 , 133 , 134 , 135 ], which is an indication that herd immunity has not been achieved in the different countries, regions, or population sectors [ 42 , 135 , 136 , 137 , 138 , 139 , 140 , 141 , 142 ].…”
Section: Immune Response Against Sars-cov-2 Induced By Vaccinationmentioning
confidence: 99%
“…For that reason, infections or reinfections have been observed in both cases [ 129 , 130 ], although with less severe symptoms [ 131 , 132 , 133 , 134 , 135 ]. New virus varieties keep spreading among the populations, seriously affecting the unvaccinated or those with comorbidities [ 129 , 130 , 131 , 132 , 133 , 134 , 135 ], which is an indication that herd immunity has not been achieved in the different countries, regions, or population sectors [ 42 , 135 , 136 , 137 , 138 , 139 , 140 , 141 , 142 ]. LAVs vaccines could improve this situation as they induce a better immunological response without causing severe disease symptoms, and they stimulate innate and adaptive immunity, both systemic and mucosal.…”
Section: Immune Response Against Sars-cov-2 Induced By Vaccinationmentioning
confidence: 99%