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Table 1 Influenza A/H1N1 and A/H1N1pdm09 strains included in the study

From: Antibodies against 1940s era a/H1N1 influenza strains a/Weiss/43 and a/FM/1/47 and heterotypic responses after seasonal vaccination of an elderly Spanish population

Viruses tested

  

Subtype

Strain

Origin

Type of Ab evaluation

A/H1N1

A/Weiss/43

WHO Collaborating Centre Francis Crick Institute, London, UK

Heterotypic

A/H1N1

A/FM/1/47

WHO Collaborating Centre Francis Crick Institute, London, UK

Heterotypic

A/H1N1

A/New Caledonia/20/99

WHO Collaborating Centre Francis Crick Institute, London, UK

Homologous/Heterotypic

A/H1N1

A/Brisbane/59/2007

WHO Influenza Reagent Kit for Identification of Influenza Isolates

Homologous/Heterotypic

A/H1N1pdm09

A/California/07/2009

GSK, Brentford, UK

Homologous/Heterotypic

  1. WHO World Health Organization