1. WHO(2017).Influenza in focus: up to 650000 people die of respiratory diseases linked to seasonal flu each year.http://www.who.int/en/news‐room/detail/14‐12‐2017‐up‐to‐650‐000‐people‐die‐of‐respiratory‐diseases‐linked‐to‐seasonal‐flu‐each‐year(accessed 9 January 2020).
2. The epidemiological signature of influenza B virus and its B/Victoria and B/Yamagata lineages in the 21st century;Caini S.;PLoS ONE,2019
3. Economic burden of seasonal influenza in the United States;Putri W.;Vaccine,2018
4. A universal influenza vaccine: the strategic plan for the National Institute of Allergy and Infectious Diseases;Erbelding E.J.;J. Infect. Dis.,2018
5. Interspecies transmission and receptor recognition of influenza A viruses;Ito T.;Microbiol. Immunol.,2000