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"Emerging diseases"
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The Origins of AIDS
It is now thirty years since the discovery of AIDS but its origins continue to puzzle doctors and scientists. Inspired by his own experiences working as an infectious diseases physician in Africa, Jacques Pepin looks back to the early twentieth-century events in Africa that triggered the emergence of HIV/AIDS and traces its subsequent development into the most dramatic and destructive epidemic of modern times. He shows how the disease was first transmitted from chimpanzees to man and then how urbanization, prostitution, and large-scale colonial medical campaigns intended to eradicate tropical diseases combined to disastrous effect to fuel the spread of the virus from its origins in Léopoldville to the rest of Africa, the Caribbean and ultimately worldwide. This is an essential new perspective on HIV/AIDS and on the lessons that must be learnt if we are to avoid provoking another pandemic in the future.
eBook
Patient zero : a curious history of the world's worst diseases
\"From the masters of storytelling-meets-science and co-authors of Quackery, Patient Zero tells the long and fascinating history of disease outbreaks-how they start, how they spread, the science that lets us understand them, and how we race to destroy them before they destroy us. Written in the authors' lively and accessible style, chapters include page-turning medical stories about a particular disease or virus-smallpox, Bubonic plague, polio, HIV-that combine \"Patient Zero\" narratives, or the human stories behind outbreaks, with historical examinations of missteps, milestones, scientific theories, and more. Learn the tragic stories of Patient Zeros throughout history, such as Mabalo Lokela, who contracted Ebola while on vacation in 1976, and the Lewis Baby on London's Broad Street, the first to catch cholera in an 1854 outbreak that led to a major medical breakthrough. Interspersed are origin stories of a different sort-how a rye fungus in 1951 turned a small village in France into a phantasmagoric scene reminiscent of Burning Man. Plus the uneasy history of human autopsy, how the HIV virus has been with us for at least a century, and more\"-- Provided by publisher.
BOOK
SARS : a case study in emerging infections
The sudden appearance and rapid spread of Severe Acute Respiratory Syndrome (SARS) in 2003 alerted the world to the fact that emerging infections are a global problem. Living in affluent societies with well-developed healthcare systems does not necessarily protect people from the dangers posed by life-threatening infections. The SARS epidemic tested global preparedness for dealing with a new infectious agent and raised important questions: How did we do, and what did we learn? This book uses the SARS outbreak as a case study to enumerate the generic issues that must be considered when planning the control of emerging infections. Emerging infections are more than just a current biological fashion: the bitter ongoing experience of AIDS and the looming threat of pandemic influenza teach us that the control of infectious disease is a problem that has not been solved. Scientists from a broad range of disciplines — biologists, veterinarians, physicians, and policy makers — all need to prepare. But prepare for what? The book provides an overview of the tasks that must be addressed by a community that wishes to confront emerging infections. While focusing on SARS, the book addresses a whole range of considerations and issues, from the use of new mathematical models to account for the spread of infection across global airline networks, to a discussion of the ethics of quarantining individuals in order to protect communities.
eBook
One Health, emerging infectious diseases and wildlife: two decades of progress?
Infectious diseases affect people, domestic animals and wildlife alike, with many pathogens being able to infect multiple species. Fifty years ago, following the wide-scale manufacture and use of antibiotics and vaccines, it seemed that the battle against infections was being won for the human population. Since then, however, and in addition to increasing antimicrobial resistance among bacterial pathogens, there has been an increase in the emergence of, mostly viral, zoonotic diseases from wildlife, sometimes causing fatal outbreaks of epidemic proportions. Concurrently, infectious disease has been identified as an increasing threat to wildlife conservation. A synthesis published in 2000 showed common anthropogenic drivers of disease threats to biodiversity and human health, including encroachment and destruction of wildlife habitat and the human-assisted spread of pathogens. Almost two decades later, the situation has not changed and, despite improved knowledge of the underlying causes, little has been done at the policy level to address these threats. For the sake of public health and wellbeing, human-kind needs to work better to conserve nature and preserve the ecosystem services, including disease regulation, that biodiversity provides while also understanding and mitigating activities which lead to disease emergence. We consider that holistic, One Health approaches to the management and mitigation of the risks of emerging infectious diseases have the greatest chance of success.
This article is part of the themed issue ‘One Health for a changing world: zoonoses, ecosystems and human well-being’.
Journal Article
A new coronavirus associated with human respiratory disease in China
Emerging infectious diseases, such as severe acute respiratory syndrome (SARS) and Zika virus disease, present a major threat to public health
1
–
3
. Despite intense research efforts, how, when and where new diseases appear are still a source of considerable uncertainty. A severe respiratory disease was recently reported in Wuhan, Hubei province, China. As of 25 January 2020, at least 1,975 cases had been reported since the first patient was hospitalized on 12 December 2019. Epidemiological investigations have suggested that the outbreak was associated with a seafood market in Wuhan. Here we study a single patient who was a worker at the market and who was admitted to the Central Hospital of Wuhan on 26 December 2019 while experiencing a severe respiratory syndrome that included fever, dizziness and a cough. Metagenomic RNA sequencing
4
of a sample of bronchoalveolar lavage fluid from the patient identified a new RNA virus strain from the family
Coronaviridae
, which is designated here ‘WH-Human 1’ coronavirus (and has also been referred to as ‘2019-nCoV’). Phylogenetic analysis of the complete viral genome (29,903 nucleotides) revealed that the virus was most closely related (89.1% nucleotide similarity) to a group of SARS-like coronaviruses (genus Betacoronavirus, subgenus Sarbecovirus) that had previously been found in bats in China
5
. This outbreak highlights the ongoing ability of viral spill-over from animals to cause severe disease in humans.
Phylogenetic and metagenomic analyses of the complete viral genome of a new coronavirus from the family
Coronaviridae
reveal that the virus is closely related to a group of SARS-like coronaviruses found in bats in China.
Journal Article
Animals, diseases, and human health : shaping our lives now and in the future
\"This book explains how animals shape our lives and our health, providing evidence that a \"One Health\" approach is the only logical methodology for advancing human health in the future\"--Provided by publisher.
Book
Venezuela's humanitarian crisis, resurgence of vector-borne diseases, and implications for spillover in the region
In the past 5–10 years, Venezuela has faced a severe economic crisis, precipitated by political instability and declining oil revenue. Public health provision has been affected particularly. In this Review, we assess the impact of Venezuela's health-care crisis on vector-borne diseases, and the spillover into neighbouring countries. Between 2000 and 2015, Venezuela witnessed a 359% increase in malaria cases, followed by a 71% increase in 2017 (411 586 cases) compared with 2016 (240 613). Neighbouring countries, such as Brazil, have reported an escalating trend of imported malaria cases from Venezuela, from 1538 in 2014 to 3129 in 2017. In Venezuela, active Chagas disease transmission has been reported, with seroprevalence in children (<10 years), estimated to be as high as 12·5% in one community tested (n=64). Dengue incidence increased by more than four times between 1990 and 2016. The estimated incidence of chikungunya during its epidemic peak is 6975 cases per 100 000 people and that of Zika virus is 2057 cases per 100 000 people. The re-emergence of many vector-borne diseases represents a public health crisis in Venezuela and has the possibility of severely undermining regional disease elimination efforts. National, regional, and global authorities must take action to address these worsening epidemics and prevent their expansion beyond Venezuelan borders.
Journal Article