[Antigenic anachronism of the influenza A(H2N2) viruses in Leningrad in 1980. I. The epidemiological and serological characteristics of the influenzal infection caused by A/Leningrad/80 (H2N2) viruses].
Identifieur interne : 002482 ( Main/Exploration ); précédent : 002481; suivant : 002483[Antigenic anachronism of the influenza A(H2N2) viruses in Leningrad in 1980. I. The epidemiological and serological characteristics of the influenzal infection caused by A/Leningrad/80 (H2N2) viruses].
Auteurs : G I Karpukhin ; T L Popova ; L S Karpova ; L M Tsybalova ; G M DenisovSource :
- Zhurnal mikrobiologii, epidemiologii, i immunobiologii [ 0372-9311 ] ; 1984.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Anticorps anti-idiotypiques (analyse), Antigènes viraux (analyse), Enfant, Enfant d'âge préscolaire, Femelle, Flambées de maladies (épidémiologie), Grippe humaine (immunologie), Grippe humaine (épidémiologie), Humains, Hémagglutinines virales (immunologie), Maladie aigüe, Mâle, Nourrisson, Population urbaine, Respirovirus (immunologie), Russie, Saisons, Sous-type H2N2 du virus de la grippe A, Tests d'inhibition de l'hémagglutination, Virus de la grippe A (immunologie), Virus influenza B (immunologie).
- MESH :
- analyse : Anticorps anti-idiotypiques, Antigènes viraux.
- immunologie : Grippe humaine, Hémagglutinines virales, Respirovirus, Virus de la grippe A, Virus influenza B.
- épidémiologie : Flambées de maladies, Grippe humaine.
- Adolescent, Adulte, Enfant, Enfant d'âge préscolaire, Femelle, Humains, Maladie aigüe, Mâle, Nourrisson, Population urbaine, Russie, Saisons, Sous-type H2N2 du virus de la grippe A, Tests d'inhibition de l'hémagglutination.
English descriptors
- KwdEn :
- Acute Disease, Adolescent, Adult, Antibodies, Anti-Idiotypic (analysis), Antigens, Viral (analysis), Child, Child, Preschool, Disease Outbreaks (epidemiology), Female, Hemagglutination Inhibition Tests, Hemagglutinins, Viral (immunology), Humans, Infant, Influenza A Virus, H2N2 Subtype, Influenza A virus (immunology), Influenza B virus (immunology), Influenza, Human (epidemiology), Influenza, Human (immunology), Male, Respirovirus (immunology), Russia, Seasons, Urban Population.
- MESH :
- chemical , analysis : Antibodies, Anti-Idiotypic, Antigens, Viral.
- geographic : Russia.
- epidemiology : Disease Outbreaks, Influenza, Human.
- chemical , immunology : Hemagglutinins, Viral, Influenza A virus, Influenza B virus, Influenza, Human, Respirovirus.
- Acute Disease, Adolescent, Adult, Child, Child, Preschool, Female, Hemagglutination Inhibition Tests, Humans, Infant, Influenza A Virus, H2N2 Subtype, Male, Seasons, Urban Population.
Abstract
In April-May 1980 a number of unrelated outbreaks of influenza-like diseases were registered in Leningrad in an infant home (50 out of 68 children under observation, aged 3 months to 2 years, were affected) and among the pupils of a boarding school (13 out of 50 adolescents under observation, aged 15-17 years, were affected). 5 strains of influenza A virus were isolated from 3 sick children and 1 clinically healthy child. A similar virus was isolated from a sick adolescent in a boarding school, as well as from a female patient aged 24 years at a domiciliary focus of infection (a sporadic case). In the subsequent laboratory investigation all these 7 strains were identified as viruses A/H2N2. Isolated cases of seroconversion to hemagglutinin H2 were definitely registered in 6 patients during February--May 1980. In 3 cases, including the 24-year old female patient with an acute respiratory disease, seroconversion to hemagglutinin H2 was observed in combination with the release of influenza viruses A/H2N2 from these patients. 2 influenza virus strains with this antigenic characteristic were isolated from a young female patient at an interval of 3 days. Among the patients admitted to the clinics of the Research Institute of Influenza in Leningrad on account of acute respiratory diseases isolated cases of diagnostically significant seroconversion to hemagglutinin H2 constituted 3.5% among children and 4.5% among adults. The study of the level of antihemagglutinins in the population revealed that in 1980 persons aged 18-50 years showed a high level of antihemagglutinins.(ABSTRACT TRUNCATED AT 250 WORDS)
PubMed: 6091375
Affiliations:
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Preschool</term><term>Female</term><term>Hemagglutination Inhibition Tests</term><term>Humans</term><term>Infant</term><term>Influenza A Virus, H2N2 Subtype</term><term>Male</term><term>Seasons</term><term>Urban Population</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Femelle</term><term>Humains</term><term>Maladie aigüe</term><term>Mâle</term><term>Nourrisson</term><term>Population urbaine</term><term>Russie</term><term>Saisons</term><term>Sous-type H2N2 du virus de la grippe A</term><term>Tests d'inhibition de l'hémagglutination</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In April-May 1980 a number of unrelated outbreaks of influenza-like diseases were registered in Leningrad in an infant home (50 out of 68 children under observation, aged 3 months to 2 years, were affected) and among the pupils of a boarding school (13 out of 50 adolescents under observation, aged 15-17 years, were affected). 5 strains of influenza A virus were isolated from 3 sick children and 1 clinically healthy child. A similar virus was isolated from a sick adolescent in a boarding school, as well as from a female patient aged 24 years at a domiciliary focus of infection (a sporadic case). In the subsequent laboratory investigation all these 7 strains were identified as viruses A/H2N2. Isolated cases of seroconversion to hemagglutinin H2 were definitely registered in 6 patients during February--May 1980. In 3 cases, including the 24-year old female patient with an acute respiratory disease, seroconversion to hemagglutinin H2 was observed in combination with the release of influenza viruses A/H2N2 from these patients. 2 influenza virus strains with this antigenic characteristic were isolated from a young female patient at an interval of 3 days. Among the patients admitted to the clinics of the Research Institute of Influenza in Leningrad on account of acute respiratory diseases isolated cases of diagnostically significant seroconversion to hemagglutinin H2 constituted 3.5% among children and 4.5% among adults. The study of the level of antihemagglutinins in the population revealed that in 1980 persons aged 18-50 years showed a high level of antihemagglutinins.(ABSTRACT TRUNCATED AT 250 WORDS)</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Denisov, G M" sort="Denisov, G M" uniqKey="Denisov G" first="G M" last="Denisov">G M Denisov</name><name sortKey="Karpova, L S" sort="Karpova, L S" uniqKey="Karpova L" first="L S" last="Karpova">L S Karpova</name><name sortKey="Karpukhin, G I" sort="Karpukhin, G I" uniqKey="Karpukhin G" first="G I" last="Karpukhin">G I Karpukhin</name><name sortKey="Popova, T L" sort="Popova, T L" uniqKey="Popova T" first="T L" last="Popova">T L Popova</name><name sortKey="Tsybalova, L M" sort="Tsybalova, L M" uniqKey="Tsybalova L" first="L M" last="Tsybalova">L M Tsybalova</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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