期刊
JOURNAL OF INFECTION
卷 84, 期 3, 页码 297-310出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.jinf.2021.12.035
关键词
COVID-19 vaccine; Effectiveness; Immunocompromised patients; Meta-analysis
This study assessed the short-term effectiveness of COVID-19 vaccines among immunocompromised patients and found that they were effective against symptomatic COVID-19 infection but had lower effectiveness compared to the control group. Further research is needed to understand the discordance between antibody production and protection against symptomatic COVID-19 infection.
Objectives: We aimed to assess the short-term effectiveness of COVID-19 vaccines among immunocompromised patients to prevent laboratory-confirmed symptomatic COVID-19 infection. Methods: Systematic review and meta-analysis. We calculated the pooled diagnostic odds ratio [DOR] (95% CI) for COVID-19 infection between immunocompromised patients and healthy people or those with stable chronic medical conditions. VE was estimated as 100% x (1-DOR). We also investigated the rates of developing anti-SARS-CoV-2 spike protein IgG between the 2 groups. Results: Twenty studies evaluating COVID-19 vaccine response, and four studies evaluating VE were included in the meta-analysis. The pooled DOR for symptomatic COVID-19 infection in immunocompromised patients was 0.296 (95% CI: 0.108-0.811) with an estimated VE of 70.4% (95% CI: 18.9%- 89.2%). When stratified by diagnosis, IgG antibody levels were much higher in the control group compared to immunocompromised patients with solid organ transplant (pOR 232.3; 95% Cl: 66.98-806.03), malignant diseases (pOR 42.0, 95% Cl: 11.68-151.03), and inflammatory rheumatic diseases (pOR 19.06; 95% Cl: 5.00-72.62). Conclusions: We found COVID-19 mRNA vaccines were effective against symptomatic COVID-19 among the immunocompromised patients but had lower VE compared to the controls. Further research is needed to understand the discordance between antibody production and protection against symptomatic COVID-19 infection. (C) 2021 The British Infection Association. Published by Elsevier Ltd. All rights reserved.
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