China's practice to prevent and control COVID-19 in the context of large population movement.

Background: The emerging infectious disease, coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), poses a serious threat in China and worldwide. Challenged by this serious situation, China has taken many measures to contain its transmission. This study aims to systematically review and record these special and effective practices, in hope of benefiting for fighting against the ongoing worldwide pandemic.

Probiotics increase T regulatory cells and reduce severity of experimental colitis in mice.

Aim: To investigate the effect of probiotics on regulating T regulatory cells and reducing the severity of experimental colitis in mice.

Methods: Forty C57/BL mice were randomly divided into four groups. Colitis was induced in the mice using 2,4,6-trinitrobenzene sulfonic acid (TNBS).