Surveillance Data

Type/subtype/lineage of samples analysed at the Centre

Results show the type/subtypes/lineages of viruses received by the Centre from laboratories in each country. Data are shown for samples collected during the month indicated for which the type/subtype have been determined by antigenic and/or genetic analysis at the Centre as of 1 July 2021.

Note: Subtyping is based on analysis of the HA and in some cases is confirmed by further analysis of NA.

Sample Subtypes for May 2021

Australasia subtype plot
Africa subtype plot

Total samples received, 1 January - 31 May 2021

AUSTRALASIA

Australia

Australia subtype plot

SOUTH EAST ASIA

Timor-Leste

Timor-Leste subtype plot

AFRICA

South Africa

South Africa subtype plot

To view data from previous years, please click below: