Publications by authors named "H J Sobel"

Objective: Cambodia is one of seven countries globally that met Millennium Development Goal 5A: reduction of maternal deaths by at least 75% between 1990 and 2015. The maternal death audit (MDA) was instituted in 2004 to support the improvement of maternal care. We evaluated progress in MDA implementation and maternal health services in Cambodia between 2010 and 2017.

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  • * To address this, the country implemented the WHO Reaching Every District (RED) approach, enhancing supervision, monitoring, and data use to boost immunization efforts between July and September 2022.
  • * As a result, immunization coverage significantly increased in both provinces, leading to a nationwide expansion of the WHO RED approach; supportive supervision and data-driven decision-making were key to restoring coverage and will be crucial for sustaining improvements.
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Background: WHO infection prevention and control (IPC) minimum requirements provide standards to reduce the risk of infection during health-care delivery. We aimed to investigate the global implementation of these requirements at national levels and the progress of doing so across 2021-22 compared with 2017-18 to identify future directions for interventions.

Methods: National IPC focal points were invited to complete an online survey measuring IPC minimum requirements from July 19, 2021, to Jan 31, 2022.

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  • The study analyzed 5804 days of Super-Kamiokande data from 1996 to 2018 to detect variations in solar ^{8}B neutrino flux.
  • The researchers utilized a five-day interval measurement approach and employed maximum likelihood and Lomb-Scargle methods to find any periodic modulations.
  • They found a significant modulation related to Earth's elliptical orbit around the Sun, with measurements of eccentricity and perihelion shift aligning with astronomical data.
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