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 03rd August 2026.

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

Sample Subtypes received 1 - 31 July 2026

Australasia plot
Australasia plot

Total samples received, 1 January - 31 July 2026

AUSTRALASIA

Australia

Australia subtype plot

SOUTH EAST ASIA

Brunei

Brunei subtype plot

Cambodia

Cambodia subtype plot

Singapore

Singapore subtype plot

SOUTH ASIA

Sri Lanka

Sri Lanka subtype plot

PACIFIC

Fiji

Fiji subtype plot

Samoa

Papua New Guinea subtype plot

Papua New Guinea

Papua New Guinea subtype plot

To view data from previous years, please click below: