0000000000455108

AUTHOR

Hilary Piedrahita-valdés

Vaccine Hesitancy on Social Media: Sentiment Analysis from June 2011 to April 2019

Vaccine hesitancy was one of the ten major threats to global health in 2019, according to the World Health Organisation. Nowadays, social media has an important role in the spread of information, misinformation, and disinformation about vaccines. Monitoring vaccine-related conversations on social media could help us to identify the factors that contribute to vaccine confidence in each historical period and geographical area. We used a hybrid approach to perform an opinion-mining analysis on 1,499,227 vaccine-related tweets published on Twitter from 1st June 2011 to 30th April 2019. Our algorithm classified 69.36% of the tweets as neutral, 21.78% as positive, and 8.86% as negative. The perce…

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Evaluación de un programa de actividad física en adultos mayores no institucionalizados

La actividad física es uno de los hábitos clave que influyen en el envejecimiento saludable, según la OMS. El objetivo de este estudio fue evaluar el efecto en la esfera funcional de un programa de actividad física realizado en el contexto de un taller de envejecimiento activo. Se realizó un estudio de diseño de preintervención y posintervención en un solo grupo. Se incluyeron 54 adultos sanos, no institucionalizados, de edad igual o mayor a 60 años. El programa de actividad física consistió en 90 sesiones grupales bisemanales, de 45-60 minutos de duración, realizadas durante 45 semanas. Los participantes realizaron estiramientos y ejercicios aeróbicos y de tonificación muscular de intensid…

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The Influence of Infection and Colonization on Outcomes in Inpatients With COVID-19 : Are We Forgetting Something?

The COVID-19 epidemic has been a great challenge to health systems and especially hospitals. A prospective observational epidemiological study was planned as of February 26, 2020 in a tertiary hospital in the Valencia region. The total number of patients followed up with complete information during the first year was 2,448. Among other variables, the comorbidities of the patients were collected (and grouped in the Charson index), the stay in the intensive care unit (ICU), the co-infections, and the colonizations. Data on nosocomial infections due to said virus were also collected. The median days from the onset of symptoms to diagnosis were 4 + 4.6, while an additional 4.4 days had to pass …

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