dditional questions about the pandemic virus circulating in Ukraine will be answered as more data is available.

WHO commends the government of Ukraine for its open sharing of samples to inform global monitoring of the virus for signs of change.

A total of 34 samples were analysed independently by the WHO Collaborating Centre for Reference and Research on Influenza, Mill Hill in London, UK, and the WHO Collaborating Centre for the Surveillance, Epidemiology and Control of Influenza in Atlanta, Georgia, USA.