Outbreak of influenza type A (H1N1) in Iporanga, São Paulo State, Brazil.
Identifieur interne : 000337 ( Main/Exploration ); précédent : 000336; suivant : 000338Outbreak of influenza type A (H1N1) in Iporanga, São Paulo State, Brazil.
Auteurs : T M De Paiva [Brésil] ; M A Ishida ; K A Hanashiro ; R M Scolaro ; M G Gonçalves ; M A Benega ; M A Oliveira ; A S Cruz ; S. TakimotoSource :
- Revista do Instituto de Medicina Tropical de Sao Paulo [ 0036-4665 ]
Descripteurs français
- KwdFr :
- Adolescent (MeSH), Adulte (MeSH), Adulte d'âge moyen (MeSH), Brésil (épidémiologie), Enfant (MeSH), Enfant d'âge préscolaire (MeSH), Grippe humaine (prévention et contrôle), Grippe humaine (épidémiologie), Humains (MeSH), Nourrisson (MeSH), Nouveau-né (MeSH), Répartition par âge (MeSH), Sous-type H1N1 du virus de la grippe A (MeSH), Sujet âgé (MeSH), Vaccins antigrippaux (immunologie), Virus de la grippe A (isolement et purification), Épidémies de maladies (MeSH).
- MESH :
- immunologie : Vaccins antigrippaux.
- isolement et purification : Virus de la grippe A.
- prévention et contrôle : Grippe humaine.
- épidémiologie : Brésil, Grippe humaine.
- Adolescent, Adulte, Adulte d'âge moyen, Enfant, Enfant d'âge préscolaire, Humains, Nourrisson, Nouveau-né, Répartition par âge, Sous-type H1N1 du virus de la grippe A, Sujet âgé, Épidémies de maladies.
- Wicri :
- geographic : Brésil.
English descriptors
- KwdEn :
- Adolescent (MeSH), Adult (MeSH), Age Distribution (MeSH), Aged (MeSH), Brazil (epidemiology), Child (MeSH), Child, Preschool (MeSH), Disease Outbreaks (MeSH), Humans (MeSH), Infant (MeSH), Infant, Newborn (MeSH), Influenza A Virus, H1N1 Subtype (MeSH), Influenza A virus (isolation & purification), Influenza Vaccines (immunology), Influenza, Human (epidemiology), Influenza, Human (prevention & control), Middle Aged (MeSH).
- MESH :
- chemical , immunology : Influenza Vaccines.
- geographic , epidemiology : Brazil.
- epidemiology : Influenza, Human.
- isolation & purification : Influenza A virus.
- prevention & control : Influenza, Human.
- Adolescent, Adult, Age Distribution, Aged, Child, Child, Preschool, Disease Outbreaks, Humans, Infant, Infant, Newborn, Influenza A Virus, H1N1 Subtype, Middle Aged.
Abstract
From June to July 1999 an outbreak of acute respiratory illness occurred in the town of Iporanga. Out of a total of 4,837 inhabitants, 324 cases were notified to the Regional Surveillance Service. Influenza virus was isolated from 57.1% of the collected samples and 100% seroconversion to influenza A (H1N1) was obtained in 20 paired sera tested. The isolates were related to the A/Bayern/07/95 strain (H1N1). The percentages of cases notified during the outbreak were 28.4%, 29.0%, 20.7%, 6.2% and 15.7% in the age groups of 0-4, 5-9, 10-14, 15-19 and older than 20 years, respectively. The highest proportion of positives was observed among children younger than 14 years and no cases were notified in people older than 65 years, none of whom had been recently vaccinated against influenza. These findings suggest a significant vaccine protection against A/Bayern/7/95, the H1 component included in the 1997-98 influenza vaccine for elderly people. This viral strain is antigenically and genetically related to A/Beijing/262/95, the H1 component of the 1999 vaccine. Vaccines containing A/Beijing/262/95 (H1N1) stimulated post-immunization hemagglutination inhibition antibodies equivalent in frequency and titre to both A/Beijing/262/95-like and A/Bayern/7/95-like viruses. Thus, this investigation demonstrates the effectiveness of vaccination against influenza virus in the elderly.
DOI: 10.1590/s0036-46652001000600002
PubMed: 11781599
Affiliations:
Links toward previous steps (curation, corpus...)
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Takimoto</name></author></analytic><series><title level="j">Revista do Instituto de Medicina Tropical de Sao Paulo</title><idno type="ISSN">0036-4665</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent (MeSH)</term><term>Adult (MeSH)</term><term>Age Distribution (MeSH)</term><term>Aged (MeSH)</term><term>Brazil (epidemiology)</term><term>Child (MeSH)</term><term>Child, Preschool (MeSH)</term><term>Disease Outbreaks (MeSH)</term><term>Humans (MeSH)</term><term>Infant (MeSH)</term><term>Infant, Newborn (MeSH)</term><term>Influenza A Virus, H1N1 Subtype (MeSH)</term><term>Influenza A virus (isolation & purification)</term><term>Influenza Vaccines (immunology)</term><term>Influenza, Human (epidemiology)</term><term>Influenza, Human (prevention & control)</term><term>Middle Aged (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent (MeSH)</term><term>Adulte (MeSH)</term><term>Adulte d'âge moyen (MeSH)</term><term>Brésil (épidémiologie)</term><term>Enfant (MeSH)</term><term>Enfant d'âge préscolaire (MeSH)</term><term>Grippe humaine (prévention et contrôle)</term><term>Grippe humaine (épidémiologie)</term><term>Humains (MeSH)</term><term>Nourrisson (MeSH)</term><term>Nouveau-né (MeSH)</term><term>Répartition par âge (MeSH)</term><term>Sous-type H1N1 du virus de la grippe A (MeSH)</term><term>Sujet âgé (MeSH)</term><term>Vaccins antigrippaux (immunologie)</term><term>Virus de la grippe A (isolement et purification)</term><term>Épidémies de maladies (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en"><term>Influenza Vaccines</term></keywords><keywords scheme="MESH" type="geographic" qualifier="epidemiology" xml:lang="en"><term>Brazil</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Influenza, Human</term></keywords><keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Vaccins antigrippaux</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Influenza A virus</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Virus de la grippe A</term></keywords><keywords scheme="MESH" qualifier="prevention & control" xml:lang="en"><term>Influenza, Human</term></keywords><keywords scheme="MESH" qualifier="prévention et contrôle" xml:lang="fr"><term>Grippe humaine</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Brésil</term><term>Grippe humaine</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Age Distribution</term><term>Aged</term><term>Child</term><term>Child, Preschool</term><term>Disease Outbreaks</term><term>Humans</term><term>Infant</term><term>Infant, Newborn</term><term>Influenza A Virus, H1N1 Subtype</term><term>Middle Aged</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Humains</term><term>Nourrisson</term><term>Nouveau-né</term><term>Répartition par âge</term><term>Sous-type H1N1 du virus de la grippe A</term><term>Sujet âgé</term><term>Épidémies de maladies</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Brésil</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">From June to July 1999 an outbreak of acute respiratory illness occurred in the town of Iporanga. Out of a total of 4,837 inhabitants, 324 cases were notified to the Regional Surveillance Service. Influenza virus was isolated from 57.1% of the collected samples and 100% seroconversion to influenza A (H1N1) was obtained in 20 paired sera tested. The isolates were related to the A/Bayern/07/95 strain (H1N1). The percentages of cases notified during the outbreak were 28.4%, 29.0%, 20.7%, 6.2% and 15.7% in the age groups of 0-4, 5-9, 10-14, 15-19 and older than 20 years, respectively. The highest proportion of positives was observed among children younger than 14 years and no cases were notified in people older than 65 years, none of whom had been recently vaccinated against influenza. These findings suggest a significant vaccine protection against A/Bayern/7/95, the H1 component included in the 1997-98 influenza vaccine for elderly people. This viral strain is antigenically and genetically related to A/Beijing/262/95, the H1 component of the 1999 vaccine. Vaccines containing A/Beijing/262/95 (H1N1) stimulated post-immunization hemagglutination inhibition antibodies equivalent in frequency and titre to both A/Beijing/262/95-like and A/Bayern/7/95-like viruses. Thus, this investigation demonstrates the effectiveness of vaccination against influenza virus in the elderly.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">11781599</PMID><DateCompleted><Year>2002</Year><Month>06</Month><Day>17</Day></DateCompleted><DateRevised><Year>2019</Year><Month>06</Month><Day>07</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0036-4665</ISSN><JournalIssue CitedMedium="Print"><Volume>43</Volume><Issue>6</Issue><PubDate><MedlineDate>2001 Nov-Dec</MedlineDate></PubDate></JournalIssue><Title>Revista do Instituto de Medicina Tropical de Sao Paulo</Title><ISOAbbreviation>Rev. Inst. Med. Trop. Sao Paulo</ISOAbbreviation></Journal><ArticleTitle>Outbreak of influenza type A (H1N1) in Iporanga, São Paulo State, Brazil.</ArticleTitle><Pagination><MedlinePgn>311-5</MedlinePgn></Pagination><Abstract><AbstractText>From June to July 1999 an outbreak of acute respiratory illness occurred in the town of Iporanga. Out of a total of 4,837 inhabitants, 324 cases were notified to the Regional Surveillance Service. Influenza virus was isolated from 57.1% of the collected samples and 100% seroconversion to influenza A (H1N1) was obtained in 20 paired sera tested. The isolates were related to the A/Bayern/07/95 strain (H1N1). The percentages of cases notified during the outbreak were 28.4%, 29.0%, 20.7%, 6.2% and 15.7% in the age groups of 0-4, 5-9, 10-14, 15-19 and older than 20 years, respectively. The highest proportion of positives was observed among children younger than 14 years and no cases were notified in people older than 65 years, none of whom had been recently vaccinated against influenza. These findings suggest a significant vaccine protection against A/Bayern/7/95, the H1 component included in the 1997-98 influenza vaccine for elderly people. This viral strain is antigenically and genetically related to A/Beijing/262/95, the H1 component of the 1999 vaccine. Vaccines containing A/Beijing/262/95 (H1N1) stimulated post-immunization hemagglutination inhibition antibodies equivalent in frequency and titre to both A/Beijing/262/95-like and A/Bayern/7/95-like viruses. Thus, this investigation demonstrates the effectiveness of vaccination against influenza virus in the elderly.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>de Paiva</LastName><ForeName>T M</ForeName><Initials>TM</Initials><AffiliationInfo><Affiliation>Laboratório de Vírus Respiratórios, Serviço de Virologia, Instituto Adolfo Lutz, São Paulo, SP, 01246-902, Brasil. tterezinha@uol.com.br</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ishida</LastName><ForeName>M A</ForeName><Initials>MA</Initials></Author><Author ValidYN="Y"><LastName>Hanashiro</LastName><ForeName>K A</ForeName><Initials>KA</Initials></Author><Author ValidYN="Y"><LastName>Scolaro</LastName><ForeName>R M</ForeName><Initials>RM</Initials></Author><Author ValidYN="Y"><LastName>Gonçalves</LastName><ForeName>M G</ForeName><Initials>MG</Initials></Author><Author ValidYN="Y"><LastName>Benega</LastName><ForeName>M A</ForeName><Initials>MA</Initials></Author><Author ValidYN="Y"><LastName>Oliveira</LastName><ForeName>M A</ForeName><Initials>MA</Initials></Author><Author ValidYN="Y"><LastName>Cruz</LastName><ForeName>A S</ForeName><Initials>AS</Initials></Author><Author ValidYN="Y"><LastName>Takimoto</LastName><ForeName>S</ForeName><Initials>S</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Brazil</Country><MedlineTA>Rev Inst Med Trop Sao Paulo</MedlineTA><NlmUniqueID>7507484</NlmUniqueID><ISSNLinking>0036-4665</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007252">Influenza Vaccines</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017677" MajorTopicYN="N">Age Distribution</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001938" MajorTopicYN="N" Type="Geographic">Brazil</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002648" MajorTopicYN="N">Child</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002675" MajorTopicYN="N">Child, Preschool</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004196" MajorTopicYN="Y">Disease Outbreaks</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007223" MajorTopicYN="N">Infant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007231" MajorTopicYN="N">Infant, Newborn</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D053118" MajorTopicYN="Y">Influenza A Virus, H1N1 Subtype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009980" MajorTopicYN="N">Influenza A virus</DescriptorName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007252" MajorTopicYN="N">Influenza Vaccines</DescriptorName><QualifierName UI="Q000276" MajorTopicYN="N">immunology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007251" MajorTopicYN="N">Influenza, Human</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="Y">epidemiology</QualifierName><QualifierName UI="Q000517" MajorTopicYN="N">prevention & control</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>1</Month><Day>10</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>6</Month><Day>18</Day><Hour>10</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>1</Month><Day>10</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">11781599</ArticleId><ArticleId IdType="pii">S0036-46652001000600002</ArticleId><ArticleId IdType="doi">10.1590/s0036-46652001000600002</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Brésil</li></country></list><tree><noCountry><name sortKey="Benega, M A" sort="Benega, M A" uniqKey="Benega M" first="M A" last="Benega">M A Benega</name><name sortKey="Cruz, A S" sort="Cruz, A S" uniqKey="Cruz A" first="A S" last="Cruz">A S Cruz</name><name sortKey="Goncalves, M G" sort="Goncalves, M G" uniqKey="Goncalves M" first="M G" last="Gonçalves">M G Gonçalves</name><name sortKey="Hanashiro, K A" sort="Hanashiro, K A" uniqKey="Hanashiro K" first="K A" last="Hanashiro">K A Hanashiro</name><name sortKey="Ishida, M A" sort="Ishida, M A" uniqKey="Ishida M" first="M A" last="Ishida">M A Ishida</name><name sortKey="Oliveira, M A" sort="Oliveira, M A" uniqKey="Oliveira M" first="M A" last="Oliveira">M A Oliveira</name><name sortKey="Scolaro, R M" sort="Scolaro, R M" uniqKey="Scolaro R" first="R M" last="Scolaro">R M Scolaro</name><name sortKey="Takimoto, S" sort="Takimoto, S" uniqKey="Takimoto S" first="S" last="Takimoto">S. Takimoto</name></noCountry><country name="Brésil"><noRegion><name sortKey="De Paiva, T M" sort="De Paiva, T M" uniqKey="De Paiva T" first="T M" last="De Paiva">T M De Paiva</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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