Sentinel surveillance of influenza-like-illness in two cities of the tropical country of Ecuador: 2006-2010
Tropical countries are thought to play an important role in the global behavior of respiratory infections such as influenza. The tropical country of Ecuador has almost no documentation of the causes of acute respiratory infections. The objectives of this study were to identify the viral agents assoc...
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| Veröffentlicht in: | PloS one 2011-08, Vol.6 (8), p.e22206-e22206 |
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| creator | Douce, Richard W Aleman, Washington Chicaiza-Ayala, Wilson Madrid, Cesar Sovero, Merly Delgado, Franklin Rodas, Mireya Ampuero, Julia Chauca, Gloria Perez, Juan Garcia, Josefina Kochel, Tadeusz Halsey, Eric S Laguna-Torres, V Alberto |
| description | Tropical countries are thought to play an important role in the global behavior of respiratory infections such as influenza. The tropical country of Ecuador has almost no documentation of the causes of acute respiratory infections. The objectives of this study were to identify the viral agents associated with influenza like illness (ILI) in Ecuador, describe what strains of influenza were circulating in the region along with their epidemiologic characteristics, and perform molecular characterization of those strains.
This is a prospective surveillance study of the causes of ILI based on viral culture of oropharyngeal specimens and case report forms obtained in hospitals from two cities of Ecuador over 4 years. Out of 1,702 cases of ILI, nine viral agents were detected in 597 patients. During the time of the study, seven genetic variants of influenza circulated in Ecuador, causing six periods of increased activity. There appeared to be more heterogeneity in the cause of ILI in the tropical city of Guayaquil when compared with the Andean city of Quito.
This was the most extensive documentation of the viral causes of ILI in Ecuador to date. Influenza was a common cause of ILI in Ecuador, causing more than one outbreak per year. There was no well defined influenza season although there were periods of time when no influenza was detected alternating with epidemics of different variant strains. |
| doi_str_mv | 10.1371/journal.pone.0022206 |
| format | Article |
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This is a prospective surveillance study of the causes of ILI based on viral culture of oropharyngeal specimens and case report forms obtained in hospitals from two cities of Ecuador over 4 years. Out of 1,702 cases of ILI, nine viral agents were detected in 597 patients. During the time of the study, seven genetic variants of influenza circulated in Ecuador, causing six periods of increased activity. There appeared to be more heterogeneity in the cause of ILI in the tropical city of Guayaquil when compared with the Andean city of Quito.
This was the most extensive documentation of the viral causes of ILI in Ecuador to date. Influenza was a common cause of ILI in Ecuador, causing more than one outbreak per year. There was no well defined influenza season although there were periods of time when no influenza was detected alternating with epidemics of different variant strains.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0022206</identifier><identifier>PMID: 21887216</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adenoviruses ; Adolescent ; Adult ; Age Distribution ; Aged ; Aged, 80 and over ; Antibiotics ; Child ; Child, Preschool ; Cities - epidemiology ; Documentation ; Ecuador - epidemiology ; Epidemics ; Epidemiology ; Female ; Genetic diversity ; Genetic variance ; Geography ; Health aspects ; Hospitals ; Hospitals - statistics & numerical data ; Humans ; Hypotheses ; Illnesses ; Infant ; Infant, Newborn ; Infections ; Infectious diseases ; Influenza ; Influenza A Virus, H1N1 Subtype - genetics ; Influenza, Human - epidemiology ; Influenza, Human - virology ; Laboratories ; Lung diseases ; Male ; Medical research ; Medicine ; Middle Aged ; Outbreaks ; Pathogens ; Patients ; Phylogeny ; Population ; Sentinel Surveillance ; Surveillance ; Teaching hospitals ; Tropical Climate ; Viruses ; Young Adult</subject><ispartof>PloS one, 2011-08, Vol.6 (8), p.e22206-e22206</ispartof><rights>COPYRIGHT 2011 Public Library of Science</rights><rights>2011. This is an open-access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>This is an open-access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication. 2011</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c691t-fcbdf171849c8a1ce50ae11adf4350405e1aca4496afda0f4cdf21a8dab268f13</citedby><cites>FETCH-LOGICAL-c691t-fcbdf171849c8a1ce50ae11adf4350405e1aca4496afda0f4cdf21a8dab268f13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3160842/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3160842/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2101,2927,23865,27923,27924,53790,53792,79471,79472</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21887216$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Aguilar, Patricia V.</contributor><creatorcontrib>Douce, Richard W</creatorcontrib><creatorcontrib>Aleman, Washington</creatorcontrib><creatorcontrib>Chicaiza-Ayala, Wilson</creatorcontrib><creatorcontrib>Madrid, Cesar</creatorcontrib><creatorcontrib>Sovero, Merly</creatorcontrib><creatorcontrib>Delgado, Franklin</creatorcontrib><creatorcontrib>Rodas, Mireya</creatorcontrib><creatorcontrib>Ampuero, Julia</creatorcontrib><creatorcontrib>Chauca, Gloria</creatorcontrib><creatorcontrib>Perez, Juan</creatorcontrib><creatorcontrib>Garcia, Josefina</creatorcontrib><creatorcontrib>Kochel, Tadeusz</creatorcontrib><creatorcontrib>Halsey, Eric S</creatorcontrib><creatorcontrib>Laguna-Torres, V Alberto</creatorcontrib><title>Sentinel surveillance of influenza-like-illness in two cities of the tropical country of Ecuador: 2006-2010</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Tropical countries are thought to play an important role in the global behavior of respiratory infections such as influenza. The tropical country of Ecuador has almost no documentation of the causes of acute respiratory infections. The objectives of this study were to identify the viral agents associated with influenza like illness (ILI) in Ecuador, describe what strains of influenza were circulating in the region along with their epidemiologic characteristics, and perform molecular characterization of those strains.
This is a prospective surveillance study of the causes of ILI based on viral culture of oropharyngeal specimens and case report forms obtained in hospitals from two cities of Ecuador over 4 years. Out of 1,702 cases of ILI, nine viral agents were detected in 597 patients. During the time of the study, seven genetic variants of influenza circulated in Ecuador, causing six periods of increased activity. There appeared to be more heterogeneity in the cause of ILI in the tropical city of Guayaquil when compared with the Andean city of Quito.
This was the most extensive documentation of the viral causes of ILI in Ecuador to date. Influenza was a common cause of ILI in Ecuador, causing more than one outbreak per year. 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Newborn</subject><subject>Infections</subject><subject>Infectious diseases</subject><subject>Influenza</subject><subject>Influenza A Virus, H1N1 Subtype - genetics</subject><subject>Influenza, Human - epidemiology</subject><subject>Influenza, Human - virology</subject><subject>Laboratories</subject><subject>Lung diseases</subject><subject>Male</subject><subject>Medical research</subject><subject>Medicine</subject><subject>Middle Aged</subject><subject>Outbreaks</subject><subject>Pathogens</subject><subject>Patients</subject><subject>Phylogeny</subject><subject>Population</subject><subject>Sentinel Surveillance</subject><subject>Surveillance</subject><subject>Teaching hospitals</subject><subject>Tropical Climate</subject><subject>Viruses</subject><subject>Young 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Tadeusz</au><au>Halsey, Eric S</au><au>Laguna-Torres, V Alberto</au><au>Aguilar, Patricia V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sentinel surveillance of influenza-like-illness in two cities of the tropical country of Ecuador: 2006-2010</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2011-08-24</date><risdate>2011</risdate><volume>6</volume><issue>8</issue><spage>e22206</spage><epage>e22206</epage><pages>e22206-e22206</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Tropical countries are thought to play an important role in the global behavior of respiratory infections such as influenza. The tropical country of Ecuador has almost no documentation of the causes of acute respiratory infections. The objectives of this study were to identify the viral agents associated with influenza like illness (ILI) in Ecuador, describe what strains of influenza were circulating in the region along with their epidemiologic characteristics, and perform molecular characterization of those strains.
This is a prospective surveillance study of the causes of ILI based on viral culture of oropharyngeal specimens and case report forms obtained in hospitals from two cities of Ecuador over 4 years. Out of 1,702 cases of ILI, nine viral agents were detected in 597 patients. During the time of the study, seven genetic variants of influenza circulated in Ecuador, causing six periods of increased activity. There appeared to be more heterogeneity in the cause of ILI in the tropical city of Guayaquil when compared with the Andean city of Quito.
This was the most extensive documentation of the viral causes of ILI in Ecuador to date. Influenza was a common cause of ILI in Ecuador, causing more than one outbreak per year. There was no well defined influenza season although there were periods of time when no influenza was detected alternating with epidemics of different variant strains.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>21887216</pmid><doi>10.1371/journal.pone.0022206</doi><tpages>e22206</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2011-08, Vol.6 (8), p.e22206-e22206 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_1308335393 |
| source | MEDLINE; DOAJ Directory of Open Access Journals; Public Library of Science (PLoS); EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Adenoviruses Adolescent Adult Age Distribution Aged Aged, 80 and over Antibiotics Child Child, Preschool Cities - epidemiology Documentation Ecuador - epidemiology Epidemics Epidemiology Female Genetic diversity Genetic variance Geography Health aspects Hospitals Hospitals - statistics & numerical data Humans Hypotheses Illnesses Infant Infant, Newborn Infections Infectious diseases Influenza Influenza A Virus, H1N1 Subtype - genetics Influenza, Human - epidemiology Influenza, Human - virology Laboratories Lung diseases Male Medical research Medicine Middle Aged Outbreaks Pathogens Patients Phylogeny Population Sentinel Surveillance Surveillance Teaching hospitals Tropical Climate Viruses Young Adult |
| title | Sentinel surveillance of influenza-like-illness in two cities of the tropical country of Ecuador: 2006-2010 |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-09T05%3A55%3A27IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Sentinel%20surveillance%20of%20influenza-like-illness%20in%20two%20cities%20of%20the%20tropical%20country%20of%20Ecuador:%202006-2010&rft.jtitle=PloS%20one&rft.au=Douce,%20Richard%20W&rft.date=2011-08-24&rft.volume=6&rft.issue=8&rft.spage=e22206&rft.epage=e22206&rft.pages=e22206-e22206&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0022206&rft_dat=%3Cgale_plos_%3EA476881792%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1308335393&rft_id=info:pmid/21887216&rft_galeid=A476881792&rft_doaj_id=oai_doaj_org_article_595749aa545348feb19e5ef8f5324f6f&rfr_iscdi=true |