Harder T 1

1. Genetic characterization of a new candidate hemagglutinin subtype of influenza A viruses
2. Evaluation of National Immunization Technical Advisory Groups (NITAGs) of middle-income countries in the WHO European Region; a synopsis
3. Emergence and spread of novel H5N8, H5N5 and H5N1 clade 2.3.4.4 highly pathogenic avian influenza in 2020
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