molecular model of influenza virus hemagglutinin

hemagglutinin virus influenza flu h7n8 glycan glycosylation vaccine 3d pandemic medical illustration science avian background molecular human contagious health biology virology headache microbiology small disease infectious orthomyxoviridae structure concept cell orthomyxovirus pathology swine epidemic superbug diagnosis cold illness infection microscopic research immune response spike molecule microscope glycosylated haemagglutinin isolated white