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Houseflies have been proposed to be a reservoir and vector for Helicobacter pylori. We assessed the effect of insecticide spraying in villages in The Gambia on H. pylori infection in young children. Effective control of flies did not prevent infection with H. pylori. [ABSTRACT FROM AUTHOR]

Objective: Sickle cell disease (SCD) has a high mortality during childhood in many low and middle-income countries (LMICs). Early diagnosis improves outcomes but newborn screening is not well established in LMICs. Cascade testing may be feasible and effective in identifying undiagnosed SCD and carriers of haemoglobin (Hb) S., Design: Quality improvement project using existing clinic and laboratory resources., Setting: The Haematology Clinic at the Edward Francis Small Teaching Hospital, Banjul, The Gambia., Participants: Families of index cases with SCD., Methods: Hb phenotype was determined in full or half-siblings of a SCD index case over a 6-week period using the HemoTypeSC test and confirmed by Hb electrophoresis., Main Outcome Measure: Identifying undiagnosed SCD., Results: Of 102 families invited, 31 (30%) attended during the study period and 53 siblings were tested. Except for one indeterminate test, HemoType SC agreed with Hb electrophoresis. Ten (19%; 95% CI 10 to 32) siblings were diagnosed with HbSS, 25 (47%; 34 to 60) as carriers (HbAS) and 18 (34%; 23 to 48) were unaffected (HbAA). Some symptoms and signs of SCD occurred significantly more frequently in HbSS than in HbAA and HbAS, but none was sufficiently common to help in identifying children for testing., Conclusions: Cascade testing was effective in identifying undiagnosed HbSS as well as children carrying the sickle cell gene. In routine care settings in LMICs, cascade testing facilitated by point-of-care tests may be feasible and affordable in increasing the detection of SCD and improving outcomes through earlier diagnosis., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: To determine whether Rojiroti microfinance, for poor Indian women, improves child nutrition., Design: Cluster randomised trial., Setting: Tolas (village communities) in Bihar State., Participants: Women and children under 5 years., Interventions: With Rojiroti microfinance, women form self-help groups and save their money to provide loans to group members. After 6 months, they receive larger external loans. Tolas were randomised to receive Rojiroti immediately or after 18 months., Outcome Measures: The primary analysis compared the mean weight for height Z score (WHZ) of children under 5 years in the intervention versus control tolas who attended for weight and height measurement 18 months after randomisation. Secondary outcomes were weight for age Z score (WAZ), height for age Z score, mid-upper arm circumference (MUAC), wasting, underweight and stunting., Results: We randomised 28 tolas to each arm and collected data from 2469 children (1560 mothers) at baseline and 2064 children (1326 mothers) at follow-up. WHZ was calculated for 1718 children at baseline and 1377 (674 intervention and 703 control) at follow-up. At 18 months, mean WHZ was significantly higher for intervention (-1.02) versus controls (-1.37; regression coefficient adjusted for clustering β = 0.38, 95% CI 0.16 to 0.61, p=0.001). Significantly fewer children were wasted in the intervention group (122, 18%) versus control (200, 29%; OR=0.46, 95% CI 0.28 to 0.74, p=0.002). Mean WAZ was better in the intervention group (-2.13 vs -2.37; β = 0.27, 95% CI 0.11 to 0.43, p=0.001) as was MUAC (13.6 cm vs 13.4 cm; β = 0.22, 95% CI 0.03 to 0.40, p=0.02). In an analysis adjusting for baseline nutritional measures (259 intervention children and 300 control), only WAZ and % underweight showed significant differences in favour of the intervention., Conclusion: In marginalised communities in rural India, child nutrition was better in those who received Rojiroti microfinance, compared with controls., Trial Registration Number: NCT01845545., Competing Interests: Competing interests: GY is a Trustee of Rojiroti UK. SC is CEO of the Centre for Promoting Sustainable Livelihood., (© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY. Published by BMJ.)

Objective: To evaluate a multistrain, high-dose probiotic in the prevention of eczema., Design: A randomised, double-blind, placebo-controlled, parallel group trial., Settings: Antenatal clinics, research clinic, children at home., Patients: Pregnant women and their infants., Interventions: Women from 36 weeks gestation and their infants to age 6 months received daily either the probiotic (Lactobacillus salivarius CUL61, Lactobacillus paracasei CUL08, Bifidobacterium animalis subspecies lactis CUL34 and Bifidobacterium bifidum CUL20; total of 10(10) organisms/day) or matching placebo., Main Outcome Measure: Diagnosed eczema at age 2 years. Infants were followed up by questionnaire. Clinical examination and skin prick tests to common allergens were done at 6 months and 2 years., Results: The cumulative frequency of diagnosed eczema at 2 years was similar in the probiotic (73/214, 34.1%) and placebo arms (72/222, 32.4%; OR 1.07, 95% CI 0.72 to 1.6). Among the secondary outcomes, the cumulative frequency of skin prick sensitivity at 2 years was reduced in the probiotic (18/171; 10.5%) compared with the placebo arm (32/173; 18.5%; OR 0.52, 95% CI 0.28 to 0.98). The statistically significant differences between the arms were mainly in sensitisation to cow's milk and hen's egg proteins at 6 months. Atopic eczema occurred in 9/171 (5.3%) children in the probiotic arm and 21/173 (12.1%) in the placebo arm (OR 0.40, 95% CI 0.18 to 0.91)., Conclusions: The study did not provide evidence that the probiotic either prevented eczema during the study or reduced its severity. However, the probiotic seemed to prevent atopic sensitisation to common food allergens and so reduce the incidence of atopic eczema in early childhood., Trial Registration Number: ISRCTN26287422., (Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.)

UK doctors training in paediatrics benefit from experience of child health in low-resource settings. Institutions in low-resource settings reciprocally benefit from hosting UK trainees. A wide variety of opportunities exist for trainees working in low-resource settings including clinical work, research and the development of transferable skills in management, education and training. This article explores a range of pathways for UK trainees to develop experience in low-resource settings. It is important for trainees to start planning a robust rationale early for global child health activities via established pathways, in the interests of their own professional development as well as UK service provision. In the future, run-through paediatric training may include core elements of global child health, as well as designated 'tracks' for those wishing to develop their career in global child health further. Hands-on experience in low-resource settings is a critical component of these training initiatives.