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Heterogeneity in influenza seasonality and vaccine effectiveness in Australia, Chile, New Zealand and South Africa: early estimates of the 2019 influenza season.
Sullivan, Sheena G; Arriola, Carmen S; Bocacao, Judy; Burgos, Pamela; Bustos, Patricia; Carville, Kylie S; Cheng, Allen C; Chilver, Monique Bm; Cohen, Cheryl; Deng, Yi-Mo; El Omeiri, Nathalie; Fasce, Rodrigo A; Hellferscee, Orienka; Huang, Q Sue; Gonzalez, Cecilia; Jelley, Lauren; Leung, Vivian Ky; Lopez, Liza; McAnerney, Johanna M; McNeill, Andrea; Olivares, Maria F; Peck, Heidi; Sotomayor, Viviana; Tempia, Stefano; Vergara, Natalia; von Gottberg, Anne; Walaza, Sibongile; Wood, Timothy.
Affiliation
  • Sullivan SG; World Health Organization (WHO) Collaborating Centre for Reference and Research on Influenza, Royal Melbourne Hospital, and Doherty Department, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia.
  • Arriola CS; Influenza Division, Centers for Disease Control and Prevention, Atlanta, United States.
  • Bocacao J; National Influenza Centre, Institute of Environmental Science and Research, Wellington, New Zealand.
  • Burgos P; Programa Nacional de Inmunizaciones, Ministerio de Salud, Santiago, Chile.
  • Bustos P; Sección de Virus Respiratorios y Exantematicos, Instituto de Salud Publica de Chile, Santiago, Chile.
  • Carville KS; Victorian Infectious Diseases Reference Laboratory, Royal Melbourne Hospital, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia.
  • Cheng AC; School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.
  • Chilver MB; Department of Infectious Diseases, Alfred Health, and Central Clinical School, Monash University, Melbourne, Australia.
  • Cohen C; Discipline of General Practice, University of Adelaide, Adelaide, Australia.
  • Deng YM; National Institute for Communicable Diseases, Johannesburg, South Africa.
  • El Omeiri N; WHO Collaborating Centre for Reference and Research on Influenza, Royal Melbourne Hospital, at the Peter Doherty Institute for Reference and Research on Influenza, Melbourne, Australia.
  • Fasce RA; Pan American Health Organization(PAHO)/WHO Regional Office for the Americas, Washington, United States.
  • Hellferscee O; Subdepartamento de Enfermedades Virales, Instituto de Salud Publica de Chile, Santiago, Chile.
  • Huang QS; National Institute for Communicable Diseases, Johannesburg, South Africa.
  • Gonzalez C; National Influenza Centre, Institute of Environmental Science and Research, Wellington, New Zealand.
  • Jelley L; Programa Nacional de Inmunizaciones, Ministerio de Salud, Santiago, Chile.
  • Leung VK; National Influenza Centre, Institute of Environmental Science and Research, Wellington, New Zealand.
  • Lopez L; World Health Organization (WHO) Collaborating Centre for Reference and Research on Influenza, Royal Melbourne Hospital, and Doherty Department, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia.
  • McAnerney JM; Health Intelligence Team, Institute of Environmental Science and Research, Wellington, New Zealand.
  • McNeill A; National Institute for Communicable Diseases, Johannesburg, South Africa.
  • Olivares MF; Health Intelligence Team, Institute of Environmental Science and Research, Wellington, New Zealand.
  • Peck H; Departamento de Epidemiologia, Ministerio de Salud, Santiago, Chile.
  • Sotomayor V; WHO Collaborating Centre for Reference and Research on Influenza, Royal Melbourne Hospital, at the Peter Doherty Institute for Reference and Research on Influenza, Melbourne, Australia.
  • Tempia S; Departamento de Epidemiologia, Ministerio de Salud, Santiago, Chile.
  • Vergara N; National Institute for Communicable Diseases, Johannesburg, South Africa.
  • von Gottberg A; Influenza Program, Centers for Disease Control and Prevention, Pretoria, South Africa.
  • Walaza S; MassGenics, Duluth, United States.
  • Wood T; Influenza Division, Centers for Disease Control and Prevention, Atlanta, United States.
Euro Surveill ; 24(45)2019 Nov.
Article in En | MEDLINE | ID: mdl-31718744
ABSTRACT
We compared 2019 influenza seasonality and vaccine effectiveness (VE) in four southern hemisphere countries Australia, Chile, New Zealand and South Africa. Influenza seasons differed in timing, duration, intensity and predominant circulating viruses. VE estimates were also heterogeneous, with all-ages point estimates ranging from 7-70% (I2 33%) for A(H1N1)pdm09, 4-57% (I2 49%) for A(H3N2) and 29-66% (I2 0%) for B. Caution should be applied when attempting to use southern hemisphere data to predict the northern hemisphere influenza season.
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Full text: 1 Database: MEDLINE Main subject: Influenza B virus / Influenza Vaccines / Vaccination / Outcome Assessment, Health Care / Influenza, Human / Influenza A Virus, H1N1 Subtype / Influenza A Virus, H3N2 Subtype / Vaccine Potency Type of study: Diagnostic_studies / Prognostic_studies / Screening_studies Limits: Adolescent / Adult / Child / Female / Humans / Male / Middle aged Country/Region as subject: Africa / America do sul / Chile / Oceania Language: En Year: 2019 Type: Article
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Full text: 1 Database: MEDLINE Main subject: Influenza B virus / Influenza Vaccines / Vaccination / Outcome Assessment, Health Care / Influenza, Human / Influenza A Virus, H1N1 Subtype / Influenza A Virus, H3N2 Subtype / Vaccine Potency Type of study: Diagnostic_studies / Prognostic_studies / Screening_studies Limits: Adolescent / Adult / Child / Female / Humans / Male / Middle aged Country/Region as subject: Africa / America do sul / Chile / Oceania Language: En Year: 2019 Type: Article