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The durability of infection‐induced severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) immunity has crucial implications for reinfection and vaccine effectiveness. However, the relationship between coronavirus disease 2019 (COVID‐19) severity and long‐term anti‐SARS‐CoV‐2 immunoglobulin G (IgG) antibody level is poorly understood. Here, we measured the longevity of SARS‐CoV‐2‐specific IgG...
A number of genetic loci have been proposed to be associated with persistent hepatitis B virus (HBV) infection. This study aimed to evaluate the association and interaction of susceptible genes with HBV persistence in a Chinese population. A total of 17 polymorphisms in 9 candidate genes were studied in 361 Chinese chronic hepatitis B patients and 304 patients who recovered spontaneously. Distributions...
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