Objective: Describe patterns in the dissemination of fake news in the context of COVID-19 mortality and infodemic management in six Latin American countries.
Methods: A descriptive ecological study explored the percentage of the population that is unable to recognize fake news, the percentage who trust social network content, and the percentage who use it as their sole news source in Argentina, Brazil, Chile, Colombia, Mexico, and Peru, up to 29 November 2020. Internet penetration rate, Facebook penetration rate, and COVID-19 mortality were calculated for each country. Information was obtained from literature searches and government and news portals in the selected countries, according to the World Health Organization's five proposed action areas: identifying evidence, translating knowledge and science, amplifying action, quantifying impact, and coordination and governance.
Results: Chile and Argentina were the countries with the greatest internet penetration rates (92.4% and 92.0%, respectively) and were also among the heaviest users of social media as their only means of obtaining news (32.0% and 28.0%, respectively). Brazil and Colombia showed intermediate behavior for both indicators. Mexico had the highest use of social networks, while Peru and Colombia had the highest indices of inability to recognize fake news.
Conclusions: It was observed that in countries with less use of social networks as the sole means for obtaining information and less trust in social network content, mortality was also lower.
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http://dx.doi.org/10.26633/RPSP.2021.44 | DOI Listing |
Front Med (Lausanne)
February 2025
Department of Ophthalmology, Changzheng Hospital of Naval Medical University, Shanghai, China.
Background: The emergence of Large Language Model (LLM) chatbots, such as ChatGPT, has great promise for enhancing healthcare practice. Online consultation, accurate pre-diagnosis, and clinical efforts are of fundamental importance for the patient-oriented management system.
Objective: This cross-sectional study aims to evaluate the performance of ChatGPT in inquiries across ophthalmic domains and to focus on Thyroid Eye Disease (TED) consultation and image-based preliminary diagnosis in a non-English language.
JMIR Form Res
March 2025
Thompson School of Social Work & Public Health, University of Hawai'i at Mānoa, Honolulu, HI, United States.
Background: The August 2023 wildfire in the town of Lāhainā on the island of Maui in Hawai'i caused catastrophic damage, affecting thousands of residents, and killing 102 people. Social media platforms, particularly TikTok, have become essential tools for crisis communication during disasters, providing real-time crisis updates, mobilizing relief efforts, and addressing misinformation. Understanding how disaster-related content is disseminated and engaged with on these platforms can inform strategies for improving emergency communication and community resilience.
View Article and Find Full Text PDFPolitics Life Sci
March 2025
Johns Hopkins Center for Health Security, Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
In 2022, Russia invoked Articles V and VI of the Biological and Toxin Weapons Convention (BTWC), requesting a formal meeting to discuss, and subsequent investigation of, alleged U.S.-funded biological weapons laboratories in Ukraine.
View Article and Find Full Text PDFIntroduction: In late 2020, the COVID-19 vaccine acceptance rates of Chinese people living in the UK were estimated between 52% and 57%, significantly lower than that of the general population (76%). This disparity formed a primary motivation for this study which explored Chinese communities' overall understanding of and attitude towards the COVID-19 vaccines, the sources of information about the vaccines and levels of (dis)trust in these sources.
Methods: 29 focus groups with 154 participants from UK-based Chinese communities of varied sociodemographic backgrounds were conducted between March and November 2021.
BMJ
February 2025
Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK.
The covid-19 pandemic saw frequent changes and conflicts in mask policies and politicization of masks. On reviewing the evidence, including studies published after the pandemic, the data suggest respirators are more effective than masks in healthcare, but must be continuously worn to be protective. Healthcare and aged care settings amplify outbreaks, so protection of patients and staff is paramount.
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