Use of personal protective equipment against coronavirus disease 2019 by healthcare professionals in Wuhan, China: cross sectional study.

Objective: To examine the protective effects of appropriate personal protective equipment for frontline healthcare professionals who provided care for patients with coronavirus disease 2019 (covid-19).

Design: Cross sectional study.

Setting: Four hospitals in Wuhan, China.

[Effects of applying Sophora alopecuroids extracts and emamectin on the growth, development, and fecundity of diamondback moth plutella xylostella].

In this paper, the methanol- and water extracts of Sophora alopecuroids were applied respectively with emamectin, to study their effects on the growth, development, and fecundity of diamondback moth Plutella xylostella. The results showed that the oral toxicity of the mixtures to the 3rd larvae of P. xylostella was much higher than that of emamectin, with the medium lethal concentration (LC50) of methanol extract plus emamectin, water extract plus emamectin, and emamectin being 0.

[An evaluation of the prognosis of patients with chronic severe hepatitis using a model for end-stage liver disease].

Objective: To investigate the prognosis evaluation and treatment strategy of chronic severe hepatitis (CSH) patients using a model of end-stage liver disease (MELD).

Methods: The MELD scores of 135 CSH patients on the day of their admittance to our hospital and the DeltaMELD scores after two-weeks of medical treatment were retrospectively analyzed. They were also compared with the scores of the three-month mortality rate of the patients.