Theresa Ryckman
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View article: Importance of confirmatory test characteristics in optimizing community-based screening for tuberculosis: an epidemiological modeling analysis
Importance of confirmatory test characteristics in optimizing community-based screening for tuberculosis: an epidemiological modeling analysis Open
Background The costs, operational barriers, and sensitivity of available tools to confirm a TB diagnosis limit current active case-finding (ACF) efforts for tuberculosis (TB). However, it is not well understood which of these limitations h…
View article: Importance of confirmatory test characteristics in optimizing community-based screening for tuberculosis: An epidemiological modeling analysis
Importance of confirmatory test characteristics in optimizing community-based screening for tuberculosis: An epidemiological modeling analysis Open
Background Current active case-finding (ACF) efforts for tuberculosis (TB) are limited by the costs, operational barriers, and sensitivity of available tools to confirm a TB diagnosis. However, it is not well understood which of these limi…
View article: Modeling the impact of case finding for tuberculosis: The role of infection dynamics
Modeling the impact of case finding for tuberculosis: The role of infection dynamics Open
Population-level case-finding is globally recommended as a strategy to reduce the burden of tuberculosis in high-burden settings, but mathematical models overwhelmingly project that case-finding will yield only modest reductions in inciden…
View article: Projected health and economic effects of a pan-tuberculosis treatment regimen: a modelling study
Projected health and economic effects of a pan-tuberculosis treatment regimen: a modelling study Open
View article: Target regimen profiles for tuberculosis treatment
Target regimen profiles for tuberculosis treatment Open
Simpler, shorter, safer and more effective treatments for tuberculosis that are easily accessible to all people with tuberculosis are desperately needed. In 2016, the World Health Organization (WHO) developed target regimen profiles for th…
View article: Potential of Pan-Tuberculosis Treatment to Drive Emergence of Novel Resistance
Potential of Pan-Tuberculosis Treatment to Drive Emergence of Novel Resistance Open
New tuberculosis (TB) drugs with little existing antimicrobial resistance enable a pan-TB treatment regimen, intended for universal use without prior drug-susceptibility testing. However, widespread use of such a regimen could contribute t…
View article: Economic implications of novel regimens for tuberculosis treatment in three high-burden countries: a modelling analysis
Economic implications of novel regimens for tuberculosis treatment in three high-burden countries: a modelling analysis Open
WHO.
View article: Cost-effectiveness and public health impact of typhoid conjugate vaccine introduction strategies in Bangladesh
Cost-effectiveness and public health impact of typhoid conjugate vaccine introduction strategies in Bangladesh Open
We projected that nationwide TCV introduction with a catch-up campaign would substantially reduce typhoid incidence and very likely be cost saving in Bangladesh.
View article: Impact and cost-effectiveness of short-course tuberculosis preventive treatment for household contacts and people with HIV in 29 high-incidence countries: a modelling analysis
Impact and cost-effectiveness of short-course tuberculosis preventive treatment for household contacts and people with HIV in 29 high-incidence countries: a modelling analysis Open
View article: Comparison of model predictions of typhoid conjugate vaccine public health impact and cost-effectiveness
Comparison of model predictions of typhoid conjugate vaccine public health impact and cost-effectiveness Open
View article: Infectious and clinical tuberculosis trajectories: Bayesian modeling with case finding implications
Infectious and clinical tuberculosis trajectories: Bayesian modeling with case finding implications Open
The importance of finding people with undiagnosed tuberculosis (TB) hinges on their future disease trajectories. Assays for systematic screening should be optimized to find those whose TB will contribute most to future transmission or morb…
View article: Preventive Treatment for Household Contacts of Drug-Susceptible Tuberculosis Patients
Preventive Treatment for Household Contacts of Drug-Susceptible Tuberculosis Patients Open
People who live in the household of someone with infectious pulmonary tuberculosis are at a high risk of tuberculosis infection and subsequent progression to tuberculosis disease. These individuals are prioritized for contact investigation…
View article: Ending tuberculosis in a post-COVID-19 world: a person-centred, equity-oriented approach
Ending tuberculosis in a post-COVID-19 world: a person-centred, equity-oriented approach Open
View article: Infectious and Clinical Tuberculosis Trajectories: Bayesian modeling with case finding implications
Infectious and Clinical Tuberculosis Trajectories: Bayesian modeling with case finding implications Open
Background The importance of finding people with undiagnosed tuberculosis (TB) hinges on their clinical and infectious trajectories. Assays for systematic screening should be optimized to find those whose TB will contribute most to future …
View article: A subnational affordability assessment of nutritious foods for complementary feeding in Kenya
A subnational affordability assessment of nutritious foods for complementary feeding in Kenya Open
Complementary feeding among children aged 6–23 months is a key determinant of micronutrient deficiencies and childhood stunting, the burdens of which remain high in Kenya. This study examines the affordability of complementary foods to inc…
View article: Outbreaks of COVID-19 variants in US prisons: a mathematical modelling analysis of vaccination and reopening policies
Outbreaks of COVID-19 variants in US prisons: a mathematical modelling analysis of vaccination and reopening policies Open
View article: COVID-19 in the California State Prison System: an Observational Study of Decarceration, Ongoing Risks, and Risk Factors
COVID-19 in the California State Prison System: an Observational Study of Decarceration, Ongoing Risks, and Risk Factors Open
View article: Covid-19 Vaccine Acceptance in California State Prisons
Covid-19 Vaccine Acceptance in California State Prisons Open
To the Editor: Prisons and jails are high-risk settings for Covid-19, with case and mortality rates far exceeding those in the general community. 1More incarcerated people have died from Covid-19 in U.S. correctional facilities in the past…
View article: Outbreaks of Covid-19 Variants in Prisons: A Mathematical Modeling Analysis of Vaccination and Re-Opening Policies
Outbreaks of Covid-19 Variants in Prisons: A Mathematical Modeling Analysis of Vaccination and Re-Opening Policies Open
Background Residents of correctional facilities have experienced disproportionately higher rates of SARS-CoV-2 infection and Covid-19-related mortality. To protect against outbreaks, many prisons and jails imposed heavy restrictions on in-…
View article: Geographic Pattern of Typhoid Fever in India: A Model-Based Estimate of Cohort and Surveillance Data
Geographic Pattern of Typhoid Fever in India: A Model-Based Estimate of Cohort and Surveillance Data Open
Background Typhoid fever remains a major public health problem in India. Recently, the Surveillance for Enteric Fever in India program completed a multisite surveillance study. However, data on subnational variation in typhoid fever are ne…
View article: Comparison of Strategies for Typhoid Conjugate Vaccine Introduction in India: A Cost-Effectiveness Modeling Study
Comparison of Strategies for Typhoid Conjugate Vaccine Introduction in India: A Cost-Effectiveness Modeling Study Open
Background Typhoid fever causes substantial global mortality, with almost half occurring in India. New typhoid vaccines are highly effective and recommended by the World Health Organization for high-burden settings. There is a need to dete…
View article: Covid-19 in the California State Prison System: An Observational Study of Decarceration, Ongoing Risks, and Risk Factors
Covid-19 in the California State Prison System: An Observational Study of Decarceration, Ongoing Risks, and Risk Factors Open
Background Correctional institutions nationwide are seeking to mitigate Covid-19-related risks. Objective To quantify changes to California’s prison population since the pandemic began and identify risk factors for Covid-19 infection. Desi…
View article: Affordability of nutritious foods for complementary feeding in Eastern and Southern Africa
Affordability of nutritious foods for complementary feeding in Eastern and Southern Africa Open
Low intake of diverse complementary foods causes critical nutrient gaps in the diets of young children. Inadequate nutrient intake in the first 2 years of life can lead to poor health, educational, and economic outcomes. In this study, the…
View article: Affordability of nutritious foods for complementary feeding in South Asia
Affordability of nutritious foods for complementary feeding in South Asia Open
The high prevalence of stunting and micronutrient deficiencies among children in South Asia has lifelong health, educational, and economic consequences. For children aged 6–23 months, undernutrition is influenced by inadequate intake of co…
View article: The Household Secondary Attack Rate of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2): A Rapid Review
The Household Secondary Attack Rate of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2): A Rapid Review Open
Background Although much of the public health effort to combat coronavirus disease 2019 (COVID-19) has focused on disease control strategies in public settings, transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) w…
View article: Impact of Feed the Future initiative on nutrition in children aged less than 5 years in sub-Saharan Africa: difference-in-differences analysis
Impact of Feed the Future initiative on nutrition in children aged less than 5 years in sub-Saharan Africa: difference-in-differences analysis Open
Objective To evaluate the impact of the US government’s Feed the Future initiative on nutrition outcomes in children younger than 5 years in sub-Saharan Africa. Design Difference-in-differences quasi-experimental approach. Setting Househol…
View article: Gavi’s Transition Policy: Moving From Development Assistance To Domestic Financing Of Immunization Programs
Gavi’s Transition Policy: Moving From Development Assistance To Domestic Financing Of Immunization Programs Open
Gavi, the Vaccine Alliance, was created in 2000 to accelerate the introduction of new and underused vaccines in lower-income countries. The period 2000-15 was marked by the rapid uptake of new vaccines in more than seventy countries eligib…