Epidemiological and clinical features of human coronavirus infections among different subsets of patients
Identifieur interne : 001247 ( Main/Exploration ); précédent : 001246; suivant : 001248Epidemiological and clinical features of human coronavirus infections among different subsets of patients
Auteurs : Tatiane K. Cabeça ; Celso Granato ; Nancy BelleiSource :
- Influenza and Other Respiratory Viruses [ 1750-2640 ] ; 2013.
Abstract
Epidemiological and clinical data of human coronaviruses (
A pan‐coronavirus
Human coronaviruses were detected in 88 of 1137 (7.7%) of the samples. The most frequently detected
Our data provide a novel insight into the epidemiology and clinical knowledge of
Url:
DOI: 10.1111/irv.12101
PubMed: 23462106
PubMed Central: 4634278
Affiliations:
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Le document en format XML
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<author><name sortKey="Granato, Celso" sort="Granato, Celso" uniqKey="Granato C" first="Celso" last="Granato">Celso Granato</name>
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<series><title level="j">Influenza and Other Respiratory Viruses</title>
<idno type="ISSN">1750-2640</idno>
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<front><div type="abstract" xml:lang="en"><sec id="irv12101-sec-0001"><title>Background</title>
<p>Epidemiological and clinical data of human coronaviruses (<styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
s) infections are restricted to span 1–3 years at most. We conducted a comprehensive 9‐year study on <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
s by analyzing 1137 respiratory samples from four subsets of patients (asymptomatic, general community, with comorbidities, and hospitalized) in São Paulo, <styled-content style="fixed-case">B</styled-content>
razil.</p>
</sec>
<sec id="irv12101-sec-0002"><title>Methods</title>
<p>A pan‐coronavirus <styled-content style="fixed-case">RT‐PCR</styled-content>
screening assay was performed, followed by species‐specific real‐time <styled-content style="fixed-case">RT‐PCR</styled-content>
monoplex assays.</p>
</sec>
<sec id="irv12101-sec-0003"><title>Results</title>
<p>Human coronaviruses were detected in 88 of 1137 (7.7%) of the samples. The most frequently detected <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
species were <styled-content style="fixed-case">NL</styled-content>
63 (50.0%) and <styled-content style="fixed-case">OC</styled-content>
43 (27.3%). Patients with comorbidities presented the highest risk of acquiring coronavirus infection (odds ratio = 4.17; 95% confidence interval = 1.9–9.3), and children with heart diseases revealed a significant <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
infection presence. Dyspnea was more associated with <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
‐229<styled-content style="fixed-case">E</styled-content>
infections (66.6%), and cyanosis was reported only in <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
‐<styled-content style="fixed-case">OC</styled-content>
43 infections. There were interseasonal differences in the detection frequencies, with <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
‐229<styled-content style="fixed-case">E</styled-content>
being predominant in the year 2004 (61.5%) and <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
‐<styled-content style="fixed-case">NL</styled-content>
63 (70.8%) in 2008.</p>
</sec>
<sec id="irv12101-sec-0004"><title>Conclusions</title>
<p>Our data provide a novel insight into the epidemiology and clinical knowledge of <styled-content style="fixed-case">HC</styled-content>
o<styled-content style="fixed-case">V</styled-content>
s among different subsets of patients, revealing that these viruses may cause more than mild respiratory tract disease.</p>
</sec>
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