Prevalence and Determinants of Mobile Health Applications Usage: A National Descriptive Study.

We aimed to determine the prevalence of MHAs' usage and explore the context and determinants of using MHAs among inhabitants in Saudi Arabia (SA). This cross-sectional study randomly selected 679 adult inhabitants from the 20 health regions in SA through an electronic, self-administered, well-structured, and validated Arabic questionnaire. The prevalence of using MHAs was 47.

Attitudes and intentions towards COVID-19 vaccines and associated factors among Egyptian adults.

Background: Herd immunity through vaccination is the target of public health interventions against COVID-19, but vaccine refusal or hesitancy is one of the global threats that make achievement of community immunity very difficult. The aim of this study was to determine negative attitudes and intentions and their predictors towards COVID-19 vaccines.

Methods: This was cross sectional survey, that targeted 1011 Egyptians aged 18 years and above, from 24 governorates, during the period from 7 January 2021, to 30 March 2021.