eLetters

121 e-Letters

published between 2020 and 2023

  • Welcoming this Framework

    Coming from an international relations background, I'm pleased to see more discussion of topics like this in global health, which were absent from my Global Health studies. Public health too often doesn't directly deal with power, though power is so central to health outcomes- positive and negative. I think our engagement with power imbalances is a big part of understanding power in public health, which includes seeking economic justice for marginalised groups.

  • Response to Dong et al: Global seroprevalence and sociodemographic characteristics of Borrelia burgdorferi sensu lato in human populations: a systematic review and meta-analysis

    Through a systematic review and meta-analysis, Dong et al (1) have calculated a global B. burgdorferi sensu lato (Bbsl) seroprevalence estimate of 14.5% (95% CI 12.8% to 16.3%). We question the accuracy and appropriateness of such an estimate.

    As the authors demonstrate, seroprevalence estimates based on orthogonal 2-tier serological testing with a confirmatory Western-blot assay decrease the risk of false-positive results and are more reliable than those using single assays. Yet the pooled 14.5% estimate includes studies that used single assays, apparently without adjusting for the decreased reliability of single-tier testing. When studies using single-tier assays were excluded, the pooled estimate was reduced to 11.6% (95% CI 9.5% to 14.0%). The 14.5% estimate is based on studies spanning four population categories general, high-risk, tick-bitten and having Lyme-like symptoms. When these sub-groups were compared, the general population had a pooled seropositivity rate of 5.7% (95% CI 4.3% to 7.3%). We argue that only the general population category is relevant when estimating an unbiased population seroprevalence.

    Irrespective of accuracy, using a headline global seroprevalence estimate may be misleading, implying homogeneity when, as the authors report, there is wide variation in B. burgdorferi seroprevalence between countries and regions. Furthermore, the authors suggest that analysis of seropositivity to anti-Bbsl antibodies enhances understanding of th...

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  • West Nile virus and arthropod-borne pathogens, a One Health-based approach is needed!

    Dear Editor,

    The cases of human encephalitis by West Nile virus (WNV) recently diagnosed in northern Italy (Emilia Romagna and Veneto Regions), two of which occurred in elderly patients who experienced a fatal outcome (unpublished data), deserve special concern. This should apply, more in general, to the eco-epidemiology of all arthropod-borne infections, many of which are of zoonotic relevance. We are dealing, in fact, with a large group of viral (Zika virus, Dengue virus, Yellow Fever virus, Tick-Borne Encephalitis viruses, etc.), bacterial (Ehrlichia spp.) and protozoan (Plasmodium malariae, Leishmania spp., Trypanosoma spp., etc.) pathogens, a portion of whose life cycle takes place in an invertebrate host (insect or tick), from which the infectious agent, once acquired from an infected human or animal host, will be subsequently transferred to another susceptible, human or animal, host.
    As far as WNV is specifically concerned, this zoonotic flaviviral pathogen showed up for the first time in Italy in 1998, thereby giving rise to a series of encephalomyelitis cases among horses from Tuscany Region (1).
    Culex spp. mosquitoes - namely Culex pipiens - represent the main WNV vectors. Indeed, successful virus isolation has been obtained from Culex spp. mosquito pools recently sampled in Veneto Region (unpublished data).
    Numerically speaking, arthropod-borne pathogens account for approximately two thirds of the biological noxae responsible for "e...

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  • Should academic journals appoint ethics experts to their editorial boards?

    Dear Editor,

    It is with great interest that I read Doherty et al.’s commentary in which the authors express concern about the ethical appropriateness of a randomised controlled trial that had received ethical approval. Doherty et al.’s study serves as a valuable reminder that a study is not ethical simply because it has received ethical approval, as previous studies have also emphasised.1 One might also add that just because a study has reported having obtained ethical approval, it cannot be assumed that the study has adhered to the recommendations of the research ethics committee or informed the committee of its plans in full. Doshi (2020) reported on bioethicist Charles Wiejer’s concern that a randomised controlled trial of malaria vaccine Mosquirix had waived the requirement of informed consent.2 Weijer was quoted as saying “It is difficult to see how a research ethics committee could have approved a waiver of consent for the WHO malaria vaccine pilot cluster randomized trial.”2 These studies raise the question of whether academic journals should play a greater role in scrutinising the ethical appropriateness of studies submitted for publication?

    As a doctoral student with a keen interest in public health ethics, I previously attended weekly editorial board meetings of a major scientific journal with the sole purpose of interrogating the submitted studies for ethical issues. In these meetings, I raised serious questions about some of the studies that had r...

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  • Commentary on how to use heat stable carbetocin and tranexamic acid for postpartum haemorrhage in practice

    How to use heat stable carbetocin and tranexamic acid for postpartum haemorrhage in practice

    A. Metin Gülmezoglu1, Sara Rushwan1
    1 Concept Foundation, Geneva, Switzerland
    We welcome the paper by Tran et al [1]. There are increasing number of options for postpartum haemorrhage (PPH) prevention and management as recommended by WHO and the context is important. We agree that at the national level the first step is to update the national policies including the guidelines and essential medicine lists (EMLs). Since 2019, Concept Foundation and its partners have been working in 14 East and West African sub-Saharan countries to facilitate those updates [2]. We are pleased to report that in 10 out of the 14 countries – Burkina Faso, DRC, Ethiopia, Ghana, Ivory Coast, Liberia, Rwanda, Sierra Leone, South Sudan, and Uganda – the national guideline and/or EML were updated during this period.
    The strength of the project lies in the engagement with policy makers, Ministry of Health officials, clinicians, professional associations, and civil society organizations concurrently. However, competing national policy priorities such as COVID-19, timing of the previous updates, political instability and national capacity and leadership (or lack of) can make the updating process long and challenging even when there is an agreement to update. Secondly, even when the updates happen, proactive dissemination and training within the country can also take time. Thirdly, in the...

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  • Implementation and engineering science and the costs of revising and rolling out hand hygiene programmes

    Dear Editor
    Ross and co-authors have developed a usable model to estimate the costs of hand hygiene in household settings for the 46 least developed countries. (1)

    The authors conclude that costs could be covered by using resources from across government and partners, and could be reduced by “integrating hand hygiene with other behavioural change campaigns where appropriate.” (1) Models such as these are based on the assumption that gathering up all the relevant costs has been done – yet the authors note that “follow-up formative research to revise promotion interventions based on implementation experience was not included.” Their justification was that the cost of these revisions would be likely to be small.

    However, implementation and engineering science suggest that the costs of such revisions could be major. If there were problems with the original plan for promotion interventions, then multiple steps would be needed to enable their revision. These would include but would not be limited to understanding the problems, identifying what factors were causing the problems, planning a strategy for change and then tactics on how such change could be delivered, testing the change, and then rolling it out.

    When all these are taken into account, the cost of the revision process could be considerable and to this must be added the cost of the new implementation strategy that would then need to be rolled out.

    Thus, a new implementation strategy...

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  • Biased analysis, a dangerous precedent

    Dear Editor

    The article by Gesesew et al (1) presents a highly biased analysis of the impact of war on health systems in the Tigray region of Ethiopia. The analysis rests on a premise that the region of Tigray was “invaded” and provides selective references of “deliberate attacks by allied forces”. We respectfully point out that the characterization of an invasion is not only fundamentally inapplicable to a federal army in a region of its own country but is also wrong on the simple basis of chronology. It is crucial to acknowledge that war started because of the Tigray People’s Liberation Front (TPLF) concerted simultaneous attacks of several Ethiopian Federal Army bases stationed in Tigray on Nov 4, 2020, killing thousands of troops.

    In describing the human toll of the war, the analysis does not distinguish between civilian and military casualties, nor consider the impacts of TPLF guerilla tactics on the civilian population. Egregiously, it does not mention the well-documented massacre of hundreds of Amhara civilians in Mai- Kadra, Tigray (by forces allied with the TPLF) on Nov 9-10, 2020 (2). The analysis mentions “hunger and rape as weapons of war” and “independently confirmed ethnic cleansing” but fails to acknowledge a fundamental contradiction with the outcomes of independent investigations from the United Nation’s Office of High Commissioner for Human Rights (UN-OHCHR) and the Ethiopian Human Rights Commission (EHRC). These entities used internationa...

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  • Risk of bias

    Hi,
    Its more of a doubt. I would like to know what risk of bias tool was used by the team? What were the findings on risk of bias, since I couldn't find anywhere in the article reporting the same.

  • Ethical Committees a must for grass-root filed research

    Dear authors,
    Since I have worked in remotest of PHCs in Himachal Pradesh, India and now am supervising them, the most unfavorable atmosphere for embedded research at grass roots is non availability of ethical committees and due to that either doctor fail to do research in field conditions or their research is hijacked by the medical colleges as PIs . Most of the medical colleges don't allow outside field doctors to get ethical clearance and have condition that medical college faculty would be PI for any research proposal/project, only then anyone can get research proposal listed in IEC.
    I am trying to have an ethical committee notified at the level of Directorate of health so that PHC doctors can also get ethical clearance for their research this paper is talking about.
    Thanks for raising this issue at global level.
    Regards,
    Dr. Omesh Kumar Bharti, Field Epidemiologist
    bhartiomesh@yahoo.com

  • Disruptions in maternal health Covid 19, Women's health-occurrence of neural tube defects

    Covid 19- women’s health, occurrence of neural tube defects and severe acute malnutrition in children

    Phadke M1,Nair R2,Menon P3,Jotkar R4, Saunik S5
    Dear sir,

    We read with interest the article on ‘Disruptions in maternal health service use during Covid 19 pandemic by Zeus Aranda, Thierry Binde et.al that has appeared in the B.M. J. Global Health Vol7. Issue 1,2021(http://dx.doi.org/10.1136/bmjgh-2021-007247) and wish to respond to it.
    India has been battling the Covid 19 pandemic like most other countries of the world. The first two waves, particularly the second wave produced devastating effects on many aspects of human health and welfare .Disease mortality and morbidity was unparalleled. In addition to these direct effects of Covid 19 disease itself, one had to face a number of indirect effects of Covid 19 on women, adolescent girls and children. Lockdowns, loss of jobs, decrease in salaries, migration, supply chain disruption, inadequacy and inaccessibility of foods, green vegetables, stoppage of midday meals due to school closures, inadequate distribution of iron folic acid tablets from anganwadis to children, adolescents and antenatal women will probably impact women and children’s nutrition.
    In the article by Zeus Aranda 1, they have predicted enormous disruptions in maternal health services1. We have observed the same in Maharashtra, a state in India.’
    India has now...

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