通过劫持CD55、CD59和H因子这三种蛋白，SARS-CoV-2 可以躲避所有三种补体系统激活途径，导致感染宿主清除病毒的能力下降或延迟。 复星医药持续在 ...

Background and Aims: The adjuvant effects of probiotic-containing yogurt on second-line triple therapy for Helicobacter pylori (H. pylori) infection have not been evaluated. Methods: A total of ...

Patients were instructed to refrain from antibiotics for at least 4 weeks and from PPI for at least 2 weeks before testing for H. pylori eradication to minimize the chance of false negative results.