Seroprevalence of anti-SARS-CoV-2 in patients with hepatitis B and C: a pre-vaccination study Lucas Lima da Silva; Lia Laura Lewis-Ximenez; Mônica de Avelar Figueiredo Mafra Magalhães; Vanessa Salete de Paula; Livia Melo Villar;

Seroprevalence of viral transfusion transmissible infections (HBsAg, anti-HCV, anti-HIV, Syphilis) and coinfection among healthy volunteer blood donors during 5-years in Luanda, Angola¿ Angelina Edna Quintas; Cláudia Camila Dias; Adis Del Carmen Cogle; Lemuel Cordeiro; António Sarmento;

Clinical study of hepatitis B vaccine in achieving hepatitis B surface antibody seroconversion in patients with functional cure Yisi Liu; Shan Ren; Lina Ma; Xiao Lin; Hong Li; Junfeng Lu; Zhenhuan Cao; Sujun Zheng; Zhongjie Hu; Xinyue Chen;