0000000000571393
AUTHOR
W. Soliman
SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study
Abstract Background Preoperative SARS-CoV-2 vaccination could support safer elective surgery. Vaccine numbers are limited so this study aimed to inform their prioritization by modelling. Methods The primary outcome was the number needed to vaccinate (NNV) to prevent one COVID-19-related death in 1 year. NNVs were based on postoperative SARS-CoV-2 rates and mortality in an international cohort study (surgical patients), and community SARS-CoV-2 incidence and case fatality data (general population). NNV estimates were stratified by age (18–49, 50–69, 70 or more years) and type of surgery. Best- and worst-case scenarios were used to describe uncertainty. Results NNVs were more favourable in su…
Unethical but not illegal: Uncovering the persuasive messages leveraged by providers of the “real” online social impressions
Due to the drastically elevated prominence of social networking sites (SNS), online social impressions such as views, comments, followers, subscribers, likes, and dislikes have become a valuable currency that translates to popularity, credibility, and even financial gains. Aside from machine-generated impressions, a growing industry known as crowdturfing utilizes human workers to provide “real” social impressions as-a-service. Although crowdturfing platforms are often seen as a clear example of deceptive conduct, they justify their business by leveraging well-crafted persuasive strategies and ethical appeals. Given the increasingly significant role of online impressions on shaping people’s …