Mask wearing in pre-symptomatic patients prevents SARS-CoV-2 transmission: An epidemiological analysis.

Objectives: Pandemic COVID-19 has become a seriously public health priority worldwide. Comprehensive strategies including travel restrictions and mask-wearing have been implemented to mitigate the virus circulation. However, detail information on community transmission is unavailable yet.

Clinical findings in a group of patients infected with the 2019 novel coronavirus (SARS-Cov-2) outside of Wuhan, China: retrospective case series.

Objective: To study the clinical characteristics of patients in Zhejiang province, China, infected with the 2019 severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2) responsible for coronavirus disease 2019 (covid-2019).

Design: Retrospective case series.

Setting: Seven hospitals in Zhejiang province, China.

[Efficacy of lamivudine monotherapy and combination therapy with adefovir dipivoxil for patients with hepatitis B virus-related decompensated cirrhosis].

To compare the efficacy of Lamivudine (LAM) monotherapy and combination therapy with Adefovir Dipivoxil (ADV) for patients with hepatitis B virus (HBV) -related decompensated cirrhosis for 2 years. A total of 115 patients with HBV-related decompensated cirrhosis were erolled in this study, among 60 patients were treated with LAM combined with ADV and 55 were treated with LAM. The liver and kidney functions, HBV DNA, HBV-M, AFP, Ultrasond or CT scan of liver were tested every 1-3months.