Publications by authors named "A Samuels"

Background: In western Kenya, a cluster-randomized trial is assessing the impact of attractive targeted sugar baits (ATSBs) on malaria in children enrolled in three consecutive cohorts. Here, characteristics of children and households at enrolment, and factors associated with baseline malaria prevalence are described.

Methods: Children aged 1 to < 15 years were randomly selected by cluster (n = 70) from a census database.

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Background: UK Asian and black patients experience longer cancer diagnostic intervals - period between initial symptomatic presentation in primary care and cancer diagnosis.

Aim: To determine whether these differences are due to prolonged primary care intervals (period between first primary care presentation and secondary care referral), referral interval (period between referral and first secondary-care appointment) or secondary care interval (period between the first secondary care appointment and diagnosis).

Design And Setting: We conducted a cohort study of patients with seven common cancers (breast, lung, prostate, colorectal, oesophagogastric, myeloma, and ovarian), diagnosed after presenting symptoms in English primary care.

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Purpose: Contact lens behaviours such as poor hand and lens hygiene are common and are associated with increased risk of microbial keratitis. Evidence for health promotion strategies to address this gap is required. The trial examined the effectiveness of a customised text-messaging intervention on compliance, discontinuation rate and wearer satisfaction in contact lens wearers.

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Background: Approaches for determining whether influenza vaccination prevents infection, attenuates illness, or both, are important for developing improved vaccines. We estimated influenza infection incidence, and evaluated symptom ascertainment methodologies in children to inform future vaccine trial design.

Methods: We conducted a prospective cohort study among children aged 6-23 months from May-October 2022.

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Purpose: To evaluate the shear bond strength (SBS) of resin composite to dentin contaminated with artificial saliva (AS) containing mucin and amylase using an experimental method controlling the volume of saliva and adhesive in a defined surface area.

Methods: Flat bonding surfaces were prepared on extracted human molars (320 grit surface). Using adhesive tape, a 4.

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