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<field name="value">Erkoreka, Anton</field>
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<field name="value">Hernando-Pérez, Josu</field>
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<field name="value">Ayllón Barasoain, Juan</field>
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<field name="orcid_id">0000-0002-7556-8106</field>
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<field name="value">Using new and original nineteenth-century sources, we analysed the epidemiology, clinical&#xd;
features and virology of the 1889 pandemic, which was referred to at the time as ‘Russian flu’ or&#xd;
‘Asiatic flu’. However, we rejected this identification of the disease as an ‘influenza’, which we&#xd;
believe to have been based on insufficient knowledge of the causative agent and instead posit that the&#xd;
pandemic was caused by a coronavirus. We provide a new account of the 1889–1893 pandemic, with&#xd;
a more detailed chronology that included at least four epidemiological waves. At the end of 1889, a&#xd;
new virus appeared in Europe, which could be identified as the coronavirus HCoV-OC43, causing&#xd;
crude death rates of 1.3 per 1000 population in St Petersburg; 2.1 per 1000 in Paris; 2.8 per 1000 in&#xd;
Bilbao and on the French–Spanish border; between 2.9 and 5.2 per 1000 in small towns in the Basque&#xd;
Country; and 5.8 deaths per 1000 in Madrid, which had the highest death rate. The clinical features&#xd;
of the disease differed from classical influenza pandemics in terms of the latency phase, duration,&#xd;
symptomatology, convalescence, immunity, age and death rates. Another factor to be considered&#xd;
was the neurotropic capacity of the disease. The most frequent form of the 1889 pandemic was the&#xd;
‘nervous form’, with specific symptoms such as ‘heavy headache’ (céphalalgie gravative), tiredness,&#xd;
fever and delirium. There are strong parallels between the 1889–1894 pandemic and the COVID-19&#xd;
pandemic, and a better understanding of the former may therefore help us to better manage the latter.</field>
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<field name="value">Research project: “El mapa de la desigualdad: las ciudades en la primera mitad del siglo XX.” PID2020-116797GB-I00. Ministry of Science and Innovation, Spain. (AEI/FEDER, UE).</field>
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<field name="value">Infectious Disease Reports. 2022, V. 14, n. 3, p. 453-469</field>
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<field name="value">info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116797GB-I00/ES/EL MAPA DE LA DESIGUALDAD: LAS CIUDADES EN LA PRIMERA MITAD DEL SIGLO XX/</field>
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<field name="value">Coronavirus as the Possible Causative Agent of the 1889–1894 Pandemic</field>
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