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Background As the most basic unit of infectious disease prevention and control, community health service institutions are the frontline and important gateway for the prevention and control of infectious disease. Primary care physicians are responsible for epidemic surveillance, vaccination, health promotion and assistance to centers for disease control in investigating and disposing outbreaks and public health emergencies in their districts, and play an active role in disease prevention and control by groups, susceptible population protection, infectious source control and health education, as well as the effective prevention and control of infectious diseases. Objective To understand the ability of primary care physicians to diagnose and treat infectious diseases in the community, analyse their existing problems and shortcomings, design and conduct a series of intensive training related to infectious diseases for improving the capacity of infectious disease prevention and control at the primary level; To evaluate the effectiveness of online continuing medical education, so as to provide a reference for better continuing medical education on infectious diseases in the community. Methods All participants of the National Community Infectious Diseases Continuing Education Conference held by the Department of Family Medicine of the University of Hong Kong-Shenzhen Hospital in November 2021 were selected as research subjects from November 2021 to March 2022. The questionnaires were distributed to all registered attendees before and after the conference through the QR code of the questionnaire star, and the content of pre-conference questionnaire included demographic characteristics of the participants, participation in infectious disease training in the community since started working, diagnosis and treatment of infectious diseases in the community, subjective attitudes towards the prevention and control of infectious diseases in the community (willingness to manage infectious diseases in the community, satisfaction with their own infectious disease management skills), expertise in infectious disease prevention and control and knowledge related to conference content, attitude towards hepatitis B. The content of the post-conference questionnaire mainly included knowledge about the content of conference, attitude towards hepatitis B and satisfaction survey of this online conference. A total of 301 primary care physicians completed the questionnaire before and after the conference, and a total of 194 completed the questionnaire before and after the conference. Results Among all participants, 166 (55.1%) had attended infectious disease training in the community, of whom 49 (29.5%) were satisfied with their infectious disease diagnosis and treatment ability; 135 (44.8%) had not attended the training, of whom 22 (16.3%) were satisfied with their infectious disease diagnosis and treatment ability. 143 (86.1 %) of 166 participants who had attended infectious disease training in the community indicated their willingness to manage community infectious diseases, 99 (73.3%) of 135 participants who had not attended infectious disease training in the community indicated their willingness to manage community infectious diseases. 66 (27.3%) of participants who were satisfied with their infectious disease diagnosis and treatment ability indicated their willingness to manage community infectious diseases. The top three infectious disease tests conducted by the institutions were hepatitis B, AIDS, and hepatitis C; the top three infectious diseases treated in the past six months were hepatitis B, influenza, hand, foot and mouth disease. Different self-evaluation and willingness to train may affect the willingness to manage community infectious diseases (P

Sexual health is an important component of human health. Ignoring, misunderstanding and having misconceptions of sexual health will greatly impair people's quality of life. Owing to the concept of holistic health in general medicine, influence of biopsychosocial model of health, and family as a vital unit of care, and adherence to protecting patient privacy as a professional responsibility, general practitioners (GPs) have obvious advantages in offering sexual health services. However, more efforts are needed to strengthen the promotion of sexual healthcare knowledge popularization, sexual health screening, and sexual problem diagnosis and treatment in primary care of China. To provide support for Chinese GPs to deliver sexual health services, Department of General Medicine, the University of Hong Kong-Shenzhen Hospital, has pioneered in providing sexual health services and exploring new service delivery models using actions such as constructing a sexual health service team and a genital examination skills workshop, carrying out the consultation about sexual history, and developing a standard diagnostic and therapeutic procedure for sexualproblems.

Aiming to clarify the effect of Lactobacillus plantarum combined with distiller's grains biochar on lead, cadmium and zinc complex contaminated soil, a pot experiment was conducted to investigate soil effective heavy metal concentration, plant growth, and heavy metal accumulation in the Sorghum hybrid sudangrass. The results revealed that single application of distiller's grains biochar, Lactobacillus plantarum thallus, Lactobacillus plantarum supernatant, and combined application of distiller's grain biochar and Lactobacillus plantarum thallus could significantly reduce the content of available Cd, Pb, and Zn in soil (P