- Child Nutrition and Water Access
- Poverty, Education, and Child Welfare
- Infection Control in Healthcare
- Climate Change and Health Impacts
- Global Maternal and Child Health
- Food Security and Health in Diverse Populations
- Thermoregulation and physiological responses
- Parasites and Host Interactions
- COVID-19 and Mental Health
- Paranormal Experiences and Beliefs
- Viral gastroenteritis research and epidemiology
- Insect symbiosis and bacterial influences
- Vibrio bacteria research studies
- Geriatric Care and Nursing Homes
- Homelessness and Social Issues
- Dental Research and COVID-19
- Hepatitis Viruses Studies and Epidemiology
- Parasitic infections in humans and animals
- Menstrual Health and Disorders
- COVID-19 Impact on Reproduction
- Malaria Research and Control
- Healthcare and Environmental Waste Management
- Agricultural risk and resilience
- Facilities and Workplace Management
- Diverse Scientific Research Studies
Centers for Disease Control and Prevention
2022-2025
National Center for Emerging and Zoonotic Infectious Diseases
2022-2024
CDC Foundation
2022
University at Buffalo, State University of New York
2019
Emory University
2015-2019
Columbia University
2011-2012
We conducted a matched–control trial in Mali to assess the effectiveness of comprehensive school-based water, sanitation, and hygiene (WASH) intervention on pupil absence, diarrhea, respiratory infections. After completion intervention, data were collected from 100 beneficiary schools matched comparison 5–6 sessions over 14-month period. Data collection included roll calls absenteeism interviews with subset pupils recent absence disease symptoms. The odds being absent at call 23% higher than...
Local alcohol-based hand rub (ABHR) production systems in low-resource settings, such as health care facilities (HCFs) low- and middle-income countries, frequently reuse containers for storing dispensing ABHR. Cleaning/disinfection (C/D) of ABHR is necessary to safely them an integral part the WHO’s guidelines on local production. However, HCFs may not be aware need C/D; combined with suboptimal implementation, this poses a risk contamination As district-led five rural districts Uganda, we...
There is a well-established link between hydration and improved cognitive performance among adults, with evidence of similar findings children. No trials have investigated the impact water provision on schoolchildren in hot arid low-resource settings. We conducted randomized-controlled trial five schools limited access Chipata district Eastern province, Zambia, to assess efficacy cognition. Pupils grades 3–6 were randomly assigned either receive bottle drinking that they could refill...
Household water treatment, including boiling, chlorination and filtration, has been shown effective in improving drinking quality preventing diarrheal disease among vulnerable populations. We used a case-control study design to evaluate the extent which commercial promotion of household filters through microfinance institutions women's self-help group (SHG) members improved access safe water. This pilot program achieved 9.8% adoption rate women targeted for adoption. Data from surveys assays...
There is limited information on girls' menstrual hygiene practices and experiences at school in francophone sub-Saharan Africa. We conducted qualitative research to determine the challenges faced by school-aged girls Mali, a culturally diverse largely Muslim country. Research activities were eight urban rural schools across Sikasso Koulikoro regions, including in-depth interviews with 26 key informant 14 teachers directors. Results describe for managing menstruation school, their support...
Malaria serology through assaying for IgG against Plasmodium spp. antigens provides evidence into the infection history an individual. The multiplex bead assay (MBA) allows detection of multiple spp., and can be especially useful in many regions where falciparum is primary clinical focus, but other species are co-endemic. Dried blood spots were collected from 805 Malian children attending 42 elementary schools Mopti, Sikasso, Koulikoro, Bamako capital district, assayed by MBA. As southern...
Adequate provision of safe water, basic sanitation, and hygiene (WASH) facilities behavior change can reduce pupil absence infectious disease. Increased drinking water quantity may also improve educational outcomes through the effect hydration on attention, concentration, short-term memory. A pilot study was conducted to adapt field measures cognitive performance hydration, evaluate levels investigate impact providing supplementary pupils attending water-scarce schools in rural Mali. Using a...
Continuity of key water, sanitation, and hygiene (WASH) infrastructure WASH practices—for example, hand hygiene—are among several critical community preventive mitigation measures to reduce transmission infectious diseases, including COVID-19 other respiratory diseases. guidance for prevention may combine existing standards new guidance. Many tools can also be modified targeted assessments during the pandemic. We partnered with local organizations develop deploy assess conditions practices...
Background Evidence from recent studies assessing the impact of school water, sanitation and hygiene (WASH) interventions on child health has been mixed. Self-reports disease are subject to bias, few WASH evaluations employ objective measures assess reductions in exposure pathogens. We utilized antibody responses dried blood spots (DBS) measure a intervention infectious among pupils Mali. Methodology/Principal findings randomly selected 21 beneficiary primary schools their matched comparison...
AbstractStudies assessing the impacts of school-based water, sanitation, and hygiene (WASH) interventions have revealed inconsistent improvements in pupils' health educational outcomes. This may be part due to suboptimal project fidelity or adherence. As a matched-control trial comprehensive WASH Mali, we measured degree which schools met four prespecified targets, comprised 15 criteria, 0-3 years after program implementation. We compared achievement targets criteria between beneficiary...
Diarrhea and acute respiratory infections (ARI) account for 30% of deaths among children displaced due to humanitarian emergencies. A wealth evidence demonstrates that handwashing with soap prevents both diarrhea ARI. While socially- emotionally-driven factors are proven motivators in non-emergency situations, little is known about determinants behavior emergency settings.We conducted a qualitative investigation from June August 2015 camp internally persons population 6360 the war-torn...
Background Sustainable control of soil-transmitted helminths requires a combination chemotherapy treatment and environmental interventions, including access to safe drinking water, sufficient water for hygiene, use clean sanitation facilities, handwashing (WASH). We quantified associations between home-, school-, community-level WASH characteristics hookworm infection—both prevalence eggs per gram stool (intensity)—among Togolese school children in the context community-based treatments...
To understand access to and use of hand hygiene in healthcare facilities (HCFs) community locations during the COVID-19 pandemic, we evaluated factors associated with 60 priority HCFs two border districts Uganda. We assessed water resource availability observed practice by staff or patrons. Regression modeling estimated hygiene. In HCFs, most inpatient (61%), outpatient (71%), laboratory (90%) rooms contained materials. Only 38% had materials at all entrances exits, 35% congregation areas...
Household water treatment and safe storage (HWTS) has been shown to improve drinking quality prevent disease. Efforts scale up HWTS among vulnerable populations have limited, partly due an incomplete understanding of the socio-cultural influences on decision-making around uptake HWTS. In-depth interviews were conducted with women in self-help groups rural India who exposed a promotional campaign investigate influence social networks household filter. Results show discussion filter amongst...
Dried blood spots (DBS) were collected from 805 children attending 42 elementary schools in the regions of Mopti, Sikasso, Koulikoro, and regional capital Bamako Mali as part an evaluation a school health intervention. Eluted immunoglobulin (Ig) G DBS was assessed by multiplex bead assay (MBA) for two filariasis antigens, Wuchereria bancrofti, Wb123, Brugia malayi, Bm14, to determine effectiveness mass drug administration (MDA) programs eliminate lymphatic (LF). The prevalence positive IgG...
Blood samples from 805 students attending 42 elementary schools in Mopti, Sikasso, and Koulikoro regions, Bamako district Mali participated a school water, sanitation, hygiene intervention. Immunoglobulin (Ig) G responses to several antigens/pathogens were assessed by multiplex bead assay (MBA), the recombinant Taenia solium T24H antigen was included. Of all tested, 8.0% positive rT24H, but some 25-30%. A cluster of 12 widespread locations showed not only relative risk 3.23 for T. exposure...
Abstract Efforts to improve and sustain water, sanitation, hygiene (WASH), waste management, cleaning services in healthcare facilities low- middle-income countries are constrained by limited funding. Assessments of the costs delivering WASH critical for guiding financial planning investment, but many lack costed plans facilities. A 2023 UNC Water Health Conference workshop explored how policymakers practitioners collect use cost data identify strategies overcoming barriers. Presenters...
During the COVID-19 pandemic, use of alcohol-based hand rubs (ABHRs) was critical for improving hygiene (HH) among healthcare workers (HCWs). Before and during we supported district-led production district-wide distribution ABHRs one-time provision portable handwashing stations to select facilities (HCFs) in five rural districts Uganda. Comparison between baseline follow-up assessments showed an overall increase access HH materials adherence (HHA; with soap water or ABHR) HCWs. However,...
During the coronavirus disease 2019 pandemic, alcohol-based hand rub (ABHR) availability and use increased as a prevention measure. ABHR is convenient, effective way to kill microbes on hands but hampered by presence of organic material, whereas handwashing with water soap (HWWS) can physically remove dirt. Although preferred in most health care settings, suitability community settings has not been measured. We compared characteristics between members personnel (HCP) inform considerations...