study

Estimating the impact of alternative programmatic cotrimoxazole strategies on mortality among children born to mothers with HIV: A modelling study

by Shrey Mathur, Melanie Smuk, Ceri Evans, Catherine J. Wedderburn, Diana M. Gibb, Martina Penazzato, Andrew J. Prendergast Background World Health Organization (WHO) guidelines recommend cotrimoxazole prophylaxis for children who are HIV-exposed until infection is excluded and vertical transmission risk has ended. While cotrimoxazole has benefits for children with HIV, there is no mortality benefit • Read More »


Risk of long COVID and associated symptoms after acute SARS-COV-2 infection in ethnic minorities: A nationwide register-linked cohort study in Denmark

by George Frederick Mkoma, Charles Agyemang, Thomas Benfield, Mikael Rostila, Agneta Cederström, Jørgen Holm Petersen, Marie Norredam Background Ethnic minorities living in high-income countries have been disproportionately affected by Coronavirus Disease 2019 (COVID-19) in terms of infection rates, hospitalisations, and deaths; however, less is known about long COVID in these populations. Our aim was to • Read More »


COVID-19 diagnostic testing and vaccinations among First Nations in Manitoba: A nations-based retrospective cohort study using linked administrative data, 2020–2021

by Nathan C. Nickel, Wanda Phillips-Beck, Jennifer E. Enns, Okechukwu Ekuma, Carole Taylor, Sarah Fileatreault, Nkiru Eze, Leona Star, Josée Lavoie, Alan Katz, Marni Brownell, Alyson Mahar, Marcelo Urquia, Dan Chateau, Lisa Lix, Mariette Chartier, Emily Brownell, Miyosha Tso Deh, Anita Durksen, Razvan Romanescu Background Differential access to healthcare has contributed to a higher burden • Read More »


Health outcomes after myocardial infarction: A population study of 56 million people in England

by Marlous Hall, Lesley Smith, Jianhua Wu, Chris Hayward, Jonathan A. Batty, Paul C. Lambert, Harry Hemingway, Chris P. Gale Background The occurrence of a range of health outcomes following myocardial infarction (MI) is unknown. Therefore, this study aimed to determine the long-term risk of major health outcomes following MI and generate sociodemographic stratified risk • Read More »




Study in Shadows, A by William John Locke (1863 – 1930)

Among the mixture of people spending the summer in a pension (boarding house) in Geneva are Felicia, a 20-year-old, and Katherine (30) who become good friends. Another person in the pension is Mr. Chetwynd, an elderly gentleman, whose handsome son Raine comes from Oxford to visit him – and causes a stir in the company, • Read More »


Use of isotretinoin among girls and women of childbearing age and occurrence of isotretinoin-exposed pregnancies in Germany: A population-based study

by Jonas Reinold, Bianca Kollhorst, Nadine Wentzell, Katharina Platzbecker, Ulrike Haug Background Exposure to isotretinoin during pregnancy must be avoided due to its teratogenicity, but real-world data on its use are scarce. We aimed to describe (i) isotretinoin use in women of childbearing age in Germany; (ii) the occurrence of isotretinoin-exposed pregnancies; and (iii) malformations • Read More »


Cooking carbon offsets overstate climate benefit by 1,000%, study finds

Burning wood indoors for cooking is a bad idea because the wood smoke harms people’s health. Projects to hand out wood-burning stoves in poor countries are supported by “carbon offsets” which are fraudulent in the usual way. I’ve heard of projects to give people inexpensive solar-powered cookers. They don’t cause any pollution; the users don’t • Read More »


Mental health in the COVID-19 pandemic: A longitudinal analysis of the CLoCk cohort study

by Laura Panagi, Simon R. White, Snehal M. Pinto Pereira, Manjula D. Nugawela, Isobel Heyman, Kishan Sharma, Terence Stephenson, Trudie Chalder, Natalia K. Rojas, Emma Dalrymple, Kelsey McOwat, Ruth Simmons, Olivia Swann, CLoCk Consortium , Tamsin Ford, Roz Shafran Background Little is known about the long-term mental health consequences of the pandemic in children and • Read More »


Association of a healthy beverage score with total mortality in the adult population of Spain: A nationwide cohort study

by Montserrat Rodríguez-Ayala, Carolina Donat-Vargas, Belén Moreno-Franco, Diana María Mérida, José Ramón Banegas, Fernando Rodríguez-Artalejo, Pilar Guallar-Castillón Background Despite the substantial evidence of the relationship between diet and mortality, the role of beverage consumption patterns is not well known. The aim of this study was to assess the association of the adherence to a Healthy • Read More »


1-year weight change after diabetes diagnosis and long-term incidence and sustainability of remission of type 2 diabetes in real-world settings in Hong Kong: An observational cohort study

by Hongjiang Wu, Aimin Yang, Eric S. H. Lau, Xinge Zhang, Baoqi Fan, Ronald C. W. Ma, Alice P. S. Kong, Elaine Chow, Wing-Yee So, Juliana C. N. Chan, Andrea O. Y. Luk Background Clinical trials have demonstrated that remission of type 2 diabetes can be achieved following sustained weight loss. However, the feasibility of • Read More »


Health system assessment for access to care after injury in low- or middle-income countries: A mixed methods study from Northern Malawi

by John Whitaker, Idara Edem, Ella Togun, Abena S. Amoah, Albert Dube, Lindani Chirwa, Boston Munthali, Giulia Brunelli, Thomas Van Boeckel, Rory Rickard, Andrew JM Leather, Justine Davies Background Injuries represent a vast and relatively neglected burden of disease affecting low- and middle-income countries (LMICs). While many health systems underperform in treating injured patients, most • Read More »


Tropical cyclone-specific mortality risks and the periods of concern: A multicountry time-series study

by Wenzhong Huang, Zhengyu Yang, Yiwen Zhang, Thomas Vogt, Ben Armstrong, Wenhua Yu, Rongbin Xu, Pei Yu, Yanming Liu, Antonio Gasparrini, Samuel Hundessa, Eric Lavigne, Tomas Molina, Tobias Geiger, Yue Leon Guo, Christian Otto, Simon Hales, Farnaz Pourzand, Shih-Chun Pan, Ke Ju, Elizabeth A. Ritchie, Shanshan Li, Yuming Guo, MCC Collaborators Background More intense tropical • Read More »


Projected health and economic impacts of sugar-sweetened beverage taxation in Germany: A cross-validation modelling study

by Karl M. F. Emmert-Fees, Ben Amies-Cull, Nina Wawro, Jakob Linseisen, Matthias Staudigel, Annette Peters, Linda J. Cobiac, Martin O’Flaherty, Peter Scarborough, Chris Kypridemos, Michael Laxy Background Taxes on sugar-sweetened beverages (SSBs) have been implemented globally to reduce the burden of cardiometabolic diseases by disincentivizing consumption through increased prices (e.g., 1 peso/litre tax in Mexico) • Read More »



Income-based differences in healthcare utilization in relation to mortality in the Swedish population between 2004–2017: A nationwide register study

by Pär Flodin, Peter Allebeck, Ester Gubi, Bo Burström, Emilie E. Agardh Background Despite universal healthcare, socioeconomic differences in healthcare utilization (HCU) persist in modern welfare states. However, little is known of how HCU inequalities has developed over time. The aim of this study is to assess time trends of differences in utilization of primary • Read More »



Long-term vaccination strategies to mitigate the impact of SARS-CoV-2 transmission: A modelling study

by Alexandra B. Hogan, Sean L. Wu, Jaspreet Toor, Daniela Olivera Mesa, Patrick Doohan, Oliver J. Watson, Peter Winskill, Giovanni Charles, Gregory Barnsley, Eleanor M. Riley, David S. Khoury, Neil M. Ferguson, Azra C. Ghani Background Vaccines have reduced severe disease and death from Coronavirus Disease 2019 (COVID-19). However, with evidence of waning efficacy coupled • Read More »


Burden of diarrhea and antibiotic use among children in low-resource settings preventable by Shigella vaccination: A simulation study

by Stephanie A. Brennhofer, James A. Platts-Mills, Joseph A. Lewnard, Jie Liu, Eric R. Houpt, Elizabeth T. Rogawski McQuade Background Shigella is a leading cause of diarrhea and dysentery in children in low-resource settings, which is frequently treated with antibiotics. The primary goal of a Shigella vaccine would be to reduce mortality and morbidity associated • Read More »


Price negotiation and pricing of anticancer drugs in China: An observational study

by Jing Zhou, Tianjiao Lan, Hao Lu, Jay Pan Background While China has implemented reimbursement-linked drug price negotiation annually since 2017, emphasizing value-based pricing to achieve a value-based strategic purchase of medical insurance, whether drug prices became better aligned with clinical value after price negotiation has not been sufficiently established. This study aimed to assess • Read More »


Overweight or obesity in children born after assisted reproductive technologies in Denmark: A population-based cohort study

by Kristina Laugesen, Katalin Veres, Sonia Hernandez-Diaz, Yu-Han Chiu, Anna Sara Oberg, John Hsu, Paolo Rinaudo, Mandy Spaan, Flora van Leeuwen, Henrik Toft Sørensen Background The association between assisted reproductive technologies (ARTs) and the body mass index (BMI) of children remains controversial. Confounding by morbidity and other factors associated with parental infertility may have biased • Read More »


Menopausal hormone therapy and central nervous system tumors: Danish nested case-control study

by Nelsan Pourhadi, Amani Meaidi, Søren Friis, Christian Torp-Pedersen, Lina S. Mørch Background Use of estrogen-containing menopausal hormone therapy has been shown to influence the risk of central nervous system (CNS) tumors. However, it is unknown how the progestin-component affects the risk and whether continuous versus cyclic treatment regimens influence the risk differently. Methods and • Read More »


Use of suboptimal control arms in randomized clinical trials of investigational cancer drugs in China, 2016–2021: An observational study

by Yichen Zhang, Dingyi Chen, Siyuan Cheng, Zhizhou Liang, Lu Yang, Qian Li, Lin Bai, Huangqianyu Li, Wei Liu, Luwen Shi, Xiaodong Guan Background The use of suboptimal controls in randomized trials of new cancer drugs can produce potentially unreliable clinical efficacy results over the current standard of care and expose patients to substandard therapy. • Read More »


Maternal intrahepatic cholestasis of pregnancy and neurodevelopmental conditions in offspring: A population-based cohort study of 2 million Swedish children

by Shuyun Chen, Viktor H. Ahlqvist, Hugo Sjöqvist, Olof Stephansson, Cecilia Magnusson, Christina Dalman, Håkan Karlsson, Brian K. Lee, Renee M. Gardner Background Intrahepatic cholestasis of pregnancy (ICP) is the most common obstetric liver disorder and is associated with an increased risk of iatrogenic preterm birth and adverse infant outcomes. Hence, there are several plausible • Read More »


Suicide attempt and death by suicide among parents of young individuals with cancer: A population-based study in Denmark and Sweden

by Qianwei Liu, Krisztina D. László, Dang Wei, Fen Yang, Katja Fall, Unnur Valdimarsdóttir, Maria Feychting, Jiong Li, Fang Fang Background The psychological toll on parents of a child receiving a cancer diagnosis is known to be high, but there is a knowledge gap regarding suicidal behavior among these parents. The aim of this study • Read More »


The forecasted prevalence of comorbidities and multimorbidity in people with HIV in the United States through the year 2030: A modeling study

by Keri N. Althoff, Cameron Stewart, Elizabeth Humes, Lucas Gerace, Cynthia Boyd, Kelly Gebo, Amy C. Justice, Emily P. Hyle, Sally B. Coburn, Raynell Lang, Michael J. Silverberg, Michael A. Horberg, Viviane D. Lima, M. John Gill, Maile Karris, Peter F. Rebeiro, Jennifer Thorne, Ashleigh J. Rich, Heidi Crane, Mari Kitahata, Anna Rubtsova, Cherise Wong, • Read More »