Increased risk of respiratory viral infections in elite athletes: A controlled study.

<h4>Background</h4>Respiratory symptoms are commonly recognised in elite athletes. The occurrence, etiology and clinical presentation of the illnesses in athletes is unclear.<h4>Methods</h4>We performed a prospective controlled study of respiratory viral infections in Team Fi...

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Autores principales:	Maarit Valtonen, Wilma Grönroos, Raakel Luoto, Matti Waris, Matti Uhari, Olli J Heinonen, Olli Ruuskanen
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/14bede2b0458442198b72db7f37c92dc
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spelling	oai:doaj.org-article:14bede2b0458442198b72db7f37c92dc2021-11-25T06:19:22ZIncreased risk of respiratory viral infections in elite athletes: A controlled study.1932-620310.1371/journal.pone.0250907https://doaj.org/article/14bede2b0458442198b72db7f37c92dc2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0250907https://doaj.org/toc/1932-6203<h4>Background</h4>Respiratory symptoms are commonly recognised in elite athletes. The occurrence, etiology and clinical presentation of the illnesses in athletes is unclear.<h4>Methods</h4>We performed a prospective controlled study of respiratory viral infections in Team Finland during Nordic World Ski Championships 2019. There were 26 athletes and 36 staff members. Nasal swabs were taken at the onset of a symptom and on days 1, 7, and 13 during the follow-up of 14 days. Respiratory viruses were searched for by 3 different molecular multiplex tests. Fifty-two matched control subjects were studied in Finland during the same period.<h4>Results</h4>Ten out of 26 (38%) athletes, 6 out of 36 (17%) staff, and 3 out of 52 (6%) control subjects experienced symptoms of respiratory infection (p = 0.0013). The relative risks for acquiring symptomatic infection were 6.7 (95% confidence interval [CI], 2.1-21.0) of athletes and 2.9 (95% CI, 0.84-10.0) of the staff as compared to the controls. Asymptomatic infections were identified in 8%, 22%, and 19%, respectively (p = 0.30). The etiology of respiratory infections was detected in 84% of the cases.<h4>Conclusion</h4>The athletes had a 7-fold increase in the risk of illness compared to normally exercising control subjects.Maarit ValtonenWilma GrönroosRaakel LuotoMatti WarisMatti UhariOlli J HeinonenOlli RuuskanenPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 5, p e0250907 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Maarit Valtonen Wilma Grönroos Raakel Luoto Matti Waris Matti Uhari Olli J Heinonen Olli Ruuskanen Increased risk of respiratory viral infections in elite athletes: A controlled study.
description	<h4>Background</h4>Respiratory symptoms are commonly recognised in elite athletes. The occurrence, etiology and clinical presentation of the illnesses in athletes is unclear.<h4>Methods</h4>We performed a prospective controlled study of respiratory viral infections in Team Finland during Nordic World Ski Championships 2019. There were 26 athletes and 36 staff members. Nasal swabs were taken at the onset of a symptom and on days 1, 7, and 13 during the follow-up of 14 days. Respiratory viruses were searched for by 3 different molecular multiplex tests. Fifty-two matched control subjects were studied in Finland during the same period.<h4>Results</h4>Ten out of 26 (38%) athletes, 6 out of 36 (17%) staff, and 3 out of 52 (6%) control subjects experienced symptoms of respiratory infection (p = 0.0013). The relative risks for acquiring symptomatic infection were 6.7 (95% confidence interval [CI], 2.1-21.0) of athletes and 2.9 (95% CI, 0.84-10.0) of the staff as compared to the controls. Asymptomatic infections were identified in 8%, 22%, and 19%, respectively (p = 0.30). The etiology of respiratory infections was detected in 84% of the cases.<h4>Conclusion</h4>The athletes had a 7-fold increase in the risk of illness compared to normally exercising control subjects.
format	article
author	Maarit Valtonen Wilma Grönroos Raakel Luoto Matti Waris Matti Uhari Olli J Heinonen Olli Ruuskanen
author_facet	Maarit Valtonen Wilma Grönroos Raakel Luoto Matti Waris Matti Uhari Olli J Heinonen Olli Ruuskanen
author_sort	Maarit Valtonen
title	Increased risk of respiratory viral infections in elite athletes: A controlled study.
title_short	Increased risk of respiratory viral infections in elite athletes: A controlled study.
title_full	Increased risk of respiratory viral infections in elite athletes: A controlled study.
title_fullStr	Increased risk of respiratory viral infections in elite athletes: A controlled study.
title_full_unstemmed	Increased risk of respiratory viral infections in elite athletes: A controlled study.
title_sort	increased risk of respiratory viral infections in elite athletes: a controlled study.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/14bede2b0458442198b72db7f37c92dc
work_keys_str_mv	AT maaritvaltonen increasedriskofrespiratoryviralinfectionsineliteathletesacontrolledstudy AT wilmagronroos increasedriskofrespiratoryviralinfectionsineliteathletesacontrolledstudy AT raakelluoto increasedriskofrespiratoryviralinfectionsineliteathletesacontrolledstudy AT mattiwaris increasedriskofrespiratoryviralinfectionsineliteathletesacontrolledstudy AT mattiuhari increasedriskofrespiratoryviralinfectionsineliteathletesacontrolledstudy AT ollijheinonen increasedriskofrespiratoryviralinfectionsineliteathletesacontrolledstudy AT olliruuskanen increasedriskofrespiratoryviralinfectionsineliteathletesacontrolledstudy
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Increased risk of respiratory viral infections in elite athletes: A controlled study.

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