Prevalence and associated factors of poor sleep quality among Chinese returning workers during the COVID-19 pandemic.

Objectives: The 2019 novel coronavirus (COVID-19) pandemic is a severe global crisis which has resulted in many public health problems. This study aimed to investigate the prevalence of poor sleep quality and its related factors among employees who returned to work during the COVID-19 pandemic.

Methods: Our online cross-sectional study included 2,410 participants aged ≥17 years in Deqing and Taizhou, Zhejiang Province, China from 5th to 14th March 2020.

[Estimation and projection on HIV/AIDS through application of Estimation and Projection Package and Spectrum models, in Taizhou prefecture, Zhejiang province].

Objective: To apply Estimation and Projection Package (EPP) and Spectrum models for the estimation and projection on HIV/AIDS epidemics in areas with relatively low HIV/AIDS prevalence in China, and to explore the influences of antiretroviral therapy (ART) on the outputs of the models.

Methods: Taizhou prefecture in Zhejiang province was selected as the study site. Social and demographic data as well as all the information on HIV/AIDS epidemics in Taizhou prefecture were collected, managed, input to EPP and Spectrum models to estimate and project the HIV/AIDS epidemic in Taizhou prefecture.

[Risk behavioral networks of newly reported HIV infections in Taizhou prefecture, Zhejiang province].

Objective: To understand the risk behavioral networks of newly reported HIV infections in Taizhou prefecture, Zhejiang province.

Methods: Newly reported HIV infections from May 2008 through March 2010 in Taizhou prefecture were invited to participate in a cross-sectional survey which requested numbers and contact information of individuals with whom they had had high risk contacts as well as risk behavioral acts with them. Persons having had risky contacts with HIV-infected cases were thereof approached to participate in this survey and to receive HIV testing.

[Human immunodeficiency virus/sexually transmitted infection, risk behavior and sexual networks among men who have sex with men in Taizhou city, Zhejiang province].

Objective: To study the prevalence of human immunodeficiency virus (HIV), sexually transmitted infection (STI), risk behavior and the sexual networks among men who have sex with men (MSM) in Taizhou city, Zhejiang province.

Methods: A cross-sectional study was applied with venue-based sampling in 2 MSM gathering sites in Taizhou. 'Informed Consent' principle was applied and MSM were studied through a structured questionnaire.