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Multinational impact of the 1968 Hong Kong influenza pandemic : Evidence for a smoldering pandemic

Identifieur interne : 000051 ( PascalFrancis/Corpus ); précédent : 000050; suivant : 000052

Multinational impact of the 1968 Hong Kong influenza pandemic : Evidence for a smoldering pandemic

Auteurs : Cécile Viboud ; Rebecca F. Grais ; Bernard A. P. Lafont ; Mark A. Miller ; Lone Simonsen

Source :

RBID : Pascal:05-0376425

Descripteurs français

English descriptors

Abstract

Background. The first pandemic season of A/H3N2 influenza virus (1968/1969) resulted in significant mortality in the United States, but it was the second pandemic season of A/H3N2 influenza virus (1969/1970) that caused the majority of deaths in England. We further explored the global pattern of mortality caused by the pandemic during this period. Methods. We estimated the influenza-related excess mortality in 6 countries (United States, Canada, England and Wales, France, Japan, and Australia) using national vital statistics by age for 1967-1978. Geographical and temporal pandemic patterns in mortality were compared with the genetic drift of the influenza viruses by analyzing hemagglutinin and neuraminidase sequences from GenBank. Results. In North America, the majority of influenza-related deaths in 1968/1969 and 1969/1970 occurred during the first pandemic season (United States, 70%; Canada, 54%). Conversely, in Europe and Asia, the pattern was reversed: 70% of deaths occurred during the second pandemic season. The second pandemic season coincided with a drift in the neuraminidase antigen. Conclusion. We found a consistent pattern of mortality being delayed until the second pandemic season of A/H3N2 circulation in Europe and Asia. We hypothesize that this phenomenon may be explained by higher preexisting neuraminidase immunity (from the A/H2N2 era) in Europe and Asia than in North America, combined with a subsequent drift in the neuraminidase antigen during 1969/1970.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0022-1899
A02 01      @0 JIDIAQ
A03   1    @0 J. infect. dis.
A05       @2 192
A06       @2 2
A08 01  1  ENG  @1 Multinational impact of the 1968 Hong Kong influenza pandemic : Evidence for a smoldering pandemic
A11 01  1    @1 VIBOUD (Cécile)
A11 02  1    @1 GRAIS (Rebecca F.)
A11 03  1    @1 LAFONT (Bernard A. P.)
A11 04  1    @1 MILLER (Mark A.)
A11 05  1    @1 SIMONSEN (Lone)
A14 01      @1 Fogarty International Center, National Institutes of Health @2 Bethesda, Maryland @3 USA @Z 1 aut. @Z 2 aut. @Z 4 aut.
A14 02      @1 National Institute of Allergy and Infectious Diseases, National Institutes of Health @2 Bethesda, Maryland @3 USA @Z 3 aut. @Z 5 aut.
A17 01  1    @1 Multinational Influenza Seasonal Mortality Study Group @3 USA
A20       @1 233-248
A21       @1 2005
A23 01      @0 ENG
A43 01      @1 INIST @2 2052 @5 354000138405420060
A44       @0 0000 @1 © 2005 INIST-CNRS. All rights reserved.
A45       @0 53 ref.
A47 01  1    @0 05-0376425
A60       @1 P
A61       @0 A
A64 01  1    @0 The Journal of infectious diseases
A66 01      @0 USA
C01 01    ENG  @0 Background. The first pandemic season of A/H3N2 influenza virus (1968/1969) resulted in significant mortality in the United States, but it was the second pandemic season of A/H3N2 influenza virus (1969/1970) that caused the majority of deaths in England. We further explored the global pattern of mortality caused by the pandemic during this period. Methods. We estimated the influenza-related excess mortality in 6 countries (United States, Canada, England and Wales, France, Japan, and Australia) using national vital statistics by age for 1967-1978. Geographical and temporal pandemic patterns in mortality were compared with the genetic drift of the influenza viruses by analyzing hemagglutinin and neuraminidase sequences from GenBank. Results. In North America, the majority of influenza-related deaths in 1968/1969 and 1969/1970 occurred during the first pandemic season (United States, 70%; Canada, 54%). Conversely, in Europe and Asia, the pattern was reversed: 70% of deaths occurred during the second pandemic season. The second pandemic season coincided with a drift in the neuraminidase antigen. Conclusion. We found a consistent pattern of mortality being delayed until the second pandemic season of A/H3N2 circulation in Europe and Asia. We hypothesize that this phenomenon may be explained by higher preexisting neuraminidase immunity (from the A/H2N2 era) in Europe and Asia than in North America, combined with a subsequent drift in the neuraminidase antigen during 1969/1970.
C02 01  X    @0 002A05
C02 02  X    @0 002B05
C03 01  X  FRE  @0 Hong Kong @2 NG @5 05
C03 01  X  ENG  @0 Hong Kong @2 NG @5 05
C03 01  X  SPA  @0 Hong Kong @2 NG @5 05
C03 02  X  FRE  @0 Microbiologie @5 06
C03 02  X  ENG  @0 Microbiology @5 06
C03 02  X  SPA  @0 Microbiología @5 06
C03 03  X  FRE  @0 Infection @5 07
C03 03  X  ENG  @0 Infection @5 07
C03 03  X  SPA  @0 Infección @5 07
C03 04  X  FRE  @0 Grippe A @5 14
C03 04  X  ENG  @0 Influenza A @5 14
C03 04  X  SPA  @0 Gripe A @5 14
C07 01  X  FRE  @0 Chine @2 NG
C07 01  X  ENG  @0 China @2 NG
C07 01  X  SPA  @0 China @2 NG
C07 02  X  FRE  @0 Asie @2 NG
C07 02  X  ENG  @0 Asia @2 NG
C07 02  X  SPA  @0 Asia @2 NG
C07 03  X  FRE  @0 Virose
C07 03  X  ENG  @0 Viral disease
C07 03  X  SPA  @0 Virosis
N21       @1 262
N44 01      @1 OTO
N82       @1 OTO

Format Inist (serveur)

NO : PASCAL 05-0376425 INIST
ET : Multinational impact of the 1968 Hong Kong influenza pandemic : Evidence for a smoldering pandemic
AU : VIBOUD (Cécile); GRAIS (Rebecca F.); LAFONT (Bernard A. P.); MILLER (Mark A.); SIMONSEN (Lone)
AF : Fogarty International Center, National Institutes of Health/Bethesda, Maryland/Etats-Unis (1 aut., 2 aut., 4 aut.); National Institute of Allergy and Infectious Diseases, National Institutes of Health/Bethesda, Maryland/Etats-Unis (3 aut., 5 aut.)
DT : Publication en série; Niveau analytique
SO : The Journal of infectious diseases; ISSN 0022-1899; Coden JIDIAQ; Etats-Unis; Da. 2005; Vol. 192; No. 2; Pp. 233-248; Bibl. 53 ref.
LA : Anglais
EA : Background. The first pandemic season of A/H3N2 influenza virus (1968/1969) resulted in significant mortality in the United States, but it was the second pandemic season of A/H3N2 influenza virus (1969/1970) that caused the majority of deaths in England. We further explored the global pattern of mortality caused by the pandemic during this period. Methods. We estimated the influenza-related excess mortality in 6 countries (United States, Canada, England and Wales, France, Japan, and Australia) using national vital statistics by age for 1967-1978. Geographical and temporal pandemic patterns in mortality were compared with the genetic drift of the influenza viruses by analyzing hemagglutinin and neuraminidase sequences from GenBank. Results. In North America, the majority of influenza-related deaths in 1968/1969 and 1969/1970 occurred during the first pandemic season (United States, 70%; Canada, 54%). Conversely, in Europe and Asia, the pattern was reversed: 70% of deaths occurred during the second pandemic season. The second pandemic season coincided with a drift in the neuraminidase antigen. Conclusion. We found a consistent pattern of mortality being delayed until the second pandemic season of A/H3N2 circulation in Europe and Asia. We hypothesize that this phenomenon may be explained by higher preexisting neuraminidase immunity (from the A/H2N2 era) in Europe and Asia than in North America, combined with a subsequent drift in the neuraminidase antigen during 1969/1970.
CC : 002A05; 002B05
FD : Hong Kong; Microbiologie; Infection; Grippe A
FG : Chine; Asie; Virose
ED : Hong Kong; Microbiology; Infection; Influenza A
EG : China; Asia; Viral disease
SD : Hong Kong; Microbiología; Infección; Gripe A
LO : INIST-2052.354000138405420060
ID : 05-0376425

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<div type="abstract" xml:lang="en">Background. The first pandemic season of A/H3N2 influenza virus (1968/1969) resulted in significant mortality in the United States, but it was the second pandemic season of A/H3N2 influenza virus (1969/1970) that caused the majority of deaths in England. We further explored the global pattern of mortality caused by the pandemic during this period. Methods. We estimated the influenza-related excess mortality in 6 countries (United States, Canada, England and Wales, France, Japan, and Australia) using national vital statistics by age for 1967-1978. Geographical and temporal pandemic patterns in mortality were compared with the genetic drift of the influenza viruses by analyzing hemagglutinin and neuraminidase sequences from GenBank. Results. In North America, the majority of influenza-related deaths in 1968/1969 and 1969/1970 occurred during the first pandemic season (United States, 70%; Canada, 54%). Conversely, in Europe and Asia, the pattern was reversed: 70% of deaths occurred during the second pandemic season. The second pandemic season coincided with a drift in the neuraminidase antigen. Conclusion. We found a consistent pattern of mortality being delayed until the second pandemic season of A/H3N2 circulation in Europe and Asia. We hypothesize that this phenomenon may be explained by higher preexisting neuraminidase immunity (from the A/H2N2 era) in Europe and Asia than in North America, combined with a subsequent drift in the neuraminidase antigen during 1969/1970.</div>
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<SO>The Journal of infectious diseases; ISSN 0022-1899; Coden JIDIAQ; Etats-Unis; Da. 2005; Vol. 192; No. 2; Pp. 233-248; Bibl. 53 ref.</SO>
<LA>Anglais</LA>
<EA>Background. The first pandemic season of A/H3N2 influenza virus (1968/1969) resulted in significant mortality in the United States, but it was the second pandemic season of A/H3N2 influenza virus (1969/1970) that caused the majority of deaths in England. We further explored the global pattern of mortality caused by the pandemic during this period. Methods. We estimated the influenza-related excess mortality in 6 countries (United States, Canada, England and Wales, France, Japan, and Australia) using national vital statistics by age for 1967-1978. Geographical and temporal pandemic patterns in mortality were compared with the genetic drift of the influenza viruses by analyzing hemagglutinin and neuraminidase sequences from GenBank. Results. In North America, the majority of influenza-related deaths in 1968/1969 and 1969/1970 occurred during the first pandemic season (United States, 70%; Canada, 54%). Conversely, in Europe and Asia, the pattern was reversed: 70% of deaths occurred during the second pandemic season. The second pandemic season coincided with a drift in the neuraminidase antigen. Conclusion. We found a consistent pattern of mortality being delayed until the second pandemic season of A/H3N2 circulation in Europe and Asia. We hypothesize that this phenomenon may be explained by higher preexisting neuraminidase immunity (from the A/H2N2 era) in Europe and Asia than in North America, combined with a subsequent drift in the neuraminidase antigen during 1969/1970.</EA>
<CC>002A05; 002B05</CC>
<FD>Hong Kong; Microbiologie; Infection; Grippe A</FD>
<FG>Chine; Asie; Virose</FG>
<ED>Hong Kong; Microbiology; Infection; Influenza A</ED>
<EG>China; Asia; Viral disease</EG>
<SD>Hong Kong; Microbiología; Infección; Gripe A</SD>
<LO>INIST-2052.354000138405420060</LO>
<ID>05-0376425</ID>
</server>
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