Anomalies of the 1919 influenza pandemic remain unexplained after 100 years.
Identifieur interne : 000117 ( PubMed/Corpus ); précédent : 000116; suivant : 000118Anomalies of the 1919 influenza pandemic remain unexplained after 100 years.
Auteurs : G Dennis ShanksSource :
- Internal medicine journal [ 1445-5994 ] ; 2019.
English descriptors
- KwdEn :
- MESH :
- geographic , epidemiology : Australia.
- history : Disease Outbreaks, Influenza, Human, Pandemics.
- mortality : Influenza, Human.
- History, 20th Century, Humans, Time Factors.
Abstract
The modern world's most lethal single event, the 1918-1921 influenza pandemic, remains an anomaly which is still unexplained. The pandemic's unprecedented mortality was very unevenly distributed with young adults and isolated populations worst affected. Australia was the last continent involved with about 12 000 influenza deaths in 1919. Most cases were clinically unremarkable and recovered quickly, but a small minority developed severe tracheobronchitis compromising oxygenation and immune defences usually dying in the second week of illness. Histopathology showed massive destruction of the respiratory epithelium with evidence of secondary bacterial invasion. No simple explanation (e.g. hypervirulent virus) is consistent with these observations.
DOI: 10.1111/imj.14344
PubMed: 31295783
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The pandemic's unprecedented mortality was very unevenly distributed with young adults and isolated populations worst affected. Australia was the last continent involved with about 12 000 influenza deaths in 1919. Most cases were clinically unremarkable and recovered quickly, but a small minority developed severe tracheobronchitis compromising oxygenation and immune defences usually dying in the second week of illness. Histopathology showed massive destruction of the respiratory epithelium with evidence of secondary bacterial invasion. No simple explanation (e.g. hypervirulent virus) is consistent with these observations.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31295783</PMID><DateCompleted><Year>2020</Year><Month>02</Month><Day>14</Day></DateCompleted><DateRevised><Year>2020</Year><Month>02</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1445-5994</ISSN><JournalIssue CitedMedium="Internet"><Volume>49</Volume><Issue>7</Issue><PubDate><Year>2019</Year><Month>07</Month></PubDate></JournalIssue><Title>Internal medicine journal</Title><ISOAbbreviation>Intern Med J</ISOAbbreviation></Journal><ArticleTitle>Anomalies of the 1919 influenza pandemic remain unexplained after 100 years.</ArticleTitle><Pagination><MedlinePgn>919-923</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/imj.14344</ELocationID><Abstract><AbstractText>The modern world's most lethal single event, the 1918-1921 influenza pandemic, remains an anomaly which is still unexplained. The pandemic's unprecedented mortality was very unevenly distributed with young adults and isolated populations worst affected. Australia was the last continent involved with about 12 000 influenza deaths in 1919. Most cases were clinically unremarkable and recovered quickly, but a small minority developed severe tracheobronchitis compromising oxygenation and immune defences usually dying in the second week of illness. Histopathology showed massive destruction of the respiratory epithelium with evidence of secondary bacterial invasion. 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