Background: Indian society is considered to have conservative attitudes regarding sex and is ambivalent about the concept of sex education. Previous reports suggest that a considerable proportion of Indian youth have inadequate sexual knowledge and hold a variety of sexual misconceptions. Methodological flaws limit the generalizability of some earlier studies. Aims: This study assessed knowledge and attitude toward sexual health and common sexual practices among college students in Tamil Nadu. Methodology: A total of 952 students from seven randomly selected colleges in Vellore district of Tamil Nadu participated in the survey. The survey questionnaire contained 51 questions on knowledge and attitude toward sexual health and common sexual practices and incorporated items from standardized questionnaires and additional questions suggested by a multidisciplinary group who work in the field. Results: Two hundred seventy-five students among those who completed the survey were women. Higher knowledge scores were associated with older age, male gender, being from a rural background, pursuing non-science streams, and being in postgraduate courses. Nonconservative attitudes were associated with older age, male gender, enrollment in non-science disciplines, discomfort with the family environment, and a religious family background. Conclusions: Sexual knowledge is inadequate and sexual misconceptions were widely prevalent in the population studied. School-based comprehensive sex education programs, which have been demonstrated to be effective in improving sexual health, could be used to deal with these lacunae in sexual health knowledge and attitudes.
Superspreading events and overdispersion are hallmarks of the COVID-19 pandemic. However, the specific roles and influence of established viral and physical factors related to the mechanisms of transmission, on overdispersion, remain unresolved. We, therefore, conducted mechanistic modeling of SARS-CoV-2 point-source transmission by infectious aerosols using real-world occupancy data from more than 100 000 social contact settings in ten US metropolises. We found that 80% of secondary infections are predicted to arise from approximately 4% of index cases, which show up as a stretched tail in the probability density function of secondary infections per infectious case. Individual-level variability in viral load emerges as the dominant driver of overdispersion, followed by occupancy. We then derived an analytical function, which replicates the simulated overdispersion, and with which we demonstrate the effectiveness of potential mitigation strategies. Our analysis, connecting the mechanistic understanding of SARS-CoV-2 transmission by aerosols with observed large-scale epidemiological characteristics of COVID-19 outbreaks, adds an important dimension to the mounting body of evidence with regard to airborne transmission of SARS-CoV-2 and thereby emerges as a powerful tool toward assessing the probability of outbreaks and the potential impact of mitigation strategies on large scale disease dynamics.
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Background: Addressing the mental health needs of cancer patients and their caregivers improves the quality of care the patient receives in any cancer care ecosystem. International practice currently encourages integrated care for physical and mental health in oncology. The coronavirus disease (COVID-19) pandemic has affected the delivery of healthcare services across the world. The current research paper is on the psycho-oncology service provision for hospitalised cancer patients before and during the COVID-19 pandemic.Methods: All patients who were referred to psycho-oncology services during the study period of 1 month, in the two successive years of 2019 and 2020, were included in the study. Retrospective data were collected from the centralised electronic medical records for patients. Data included cancer diagnosis, reason for admission, admitting team and reason for a psychiatric referral. Other parameters that were measured were the timing of the psychiatric assessment, psychiatric diagnosis and psycho-oncology care provided, which included psychological interventions carried out and medications prescribed. The overall institutional data on cancer care provision are also presented in brief to provide context to the psycho-oncology services.Results: Integrated psycho-oncology services reviewed and managed patients round the year in the hospital where the study was conducted. During the 1-month study period, in 2019 and 2020, the total number of hospitalised cancer patients managed by the services was 74 and 52, respectively. During the study period of 2020, 292 patients with cancer who were being treated in the hospital had tested positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tested on reverse transcription-polymerase chain reaction (RT-PCR) and 50 members of healthcare staff also tested positive. The most Research
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