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 2 March 2021.

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

Sample Subtypes for January 2021

There is currently no surveillance data available for this month

To view data from previous years, please click below: