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Emergence of whooping cough: notes from three early epidemics in Persia.

ABSTRACT: Whooping cough is a relatively new infectious disease afflicting human beings, compared with other infectious diseases, and is undergoing a resurgence despite decades of vaccination. The oldest known epidemic is thought to be the Paris outbreak of 1578. In this Historical Review, we describe three epidemics of whooping cough in Persia, which although arising roughly one century before the Paris outbreak, have not been examined in detail. A great amount of epidemiological detail was reported that not only distinguishes the various stages and complications of whooping cough, but also reveals unique immunological aspects of this disease. The first of these epidemics is the oldest recorded whooping cough epidemic. On the basis of epidemiological features, we propose that this whooping cough epidemic was the first to have taken place in Persia and might have been part of the first pandemic. This theory pushes back the date of first documented emergence of whooping cough by almost a century, which matches molecular data about its spread. Here, we discuss features of these early epidemics in relation to their initial emergence, potential origins, and spread to Europe.

SUBMITTER: Aslanabadi A

PROVIDER: S-EPMC7164782 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Emergence of whooping cough: notes from three early epidemics in Persia.

Aslanabadi Arash A Ghabili Kamyar K Shad Kaveh K Khalili Majid M Sajadi Mohammad M MM

The Lancet. Infectious diseases 20150819 12

Whooping cough is a relatively new infectious disease afflicting human beings, compared with other infectious diseases, and is undergoing a resurgence despite decades of vaccination. The oldest known epidemic is thought to be the Paris outbreak of 1578. In this Historical Review, we describe three epidemics of whooping cough in Persia, which although arising roughly one century before the Paris outbreak, have not been examined in detail. A great amount of epidemiological detail was reported that ...[more]

PMID: 26298206

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Project description:During 2010 and 2012, California and Vermont, respectively, experienced statewide epidemics of pertussis with differences seen in the demographic affected, case clinical presentation, and molecular epidemiology of the circulating strains. To overcome limitations of the current molecular typing methods for pertussis, we utilized whole-genome sequencing to gain a broader understanding of how current circulating strains are causing large epidemics. Through the use of combined next-generation sequencing technologies, this study compared de novo, single-contig genome assemblies from 31 out of 33 Bordetella pertussis isolates collected during two separate pertussis statewide epidemics and 2 resequenced vaccine strains. Final genome architecture assemblies were verified with whole-genome optical mapping. Sixteen distinct genome rearrangement profiles were observed in epidemic isolate genomes, all of which were distinct from the genome structures of the two resequenced vaccine strains. These rearrangements appear to be mediated by repetitive sequence elements, such as high-copy-number mobile genetic elements and rRNA operons. Additionally, novel and previously identified single nucleotide polymorphisms were detected in 10 virulence-related genes in the epidemic isolates. Whole-genome variation analysis identified state-specific variants, and coding regions bearing nonsynonymous mutations were classified into functional annotated orthologous groups. Comprehensive studies on whole genomes are needed to understand the resurgence of pertussis and develop novel tools to better characterize the molecular epidemiology of evolving B. pertussis populations. IMPORTANCE Pertussis, or whooping cough, is the most poorly controlled vaccine-preventable bacterial disease in the United States, which has experienced a resurgence for more than a decade. Once viewed as a monomorphic pathogen, B. pertussis strains circulating during epidemics exhibit diversity visible on a genome structural level, previously undetectable by traditional sequence analysis using short-read technologies. For the first time, we combine short- and long-read sequencing platforms with restriction optical mapping for single-contig, de novo assembly of 31 isolates to investigate two geographically and temporally independent U.S. pertussis epidemics. These complete genomes reshape our understanding of B. pertussis evolution and strengthen molecular epidemiology toward one day understanding the resurgence of pertussis.

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Emergence of whooping cough: notes from three early epidemics in Persia.

Publications

Emergence of whooping cough: notes from three early epidemics in Persia.

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