Influenza virus H1N1, artwork
H1N1 flu virus particle, artwork
Avian influenza virus, artwork
H1N1 flu virus particles, SEM
Lung cell infected with H1N1 flu virus, SEM
Lung cells infected with H1N1 flu virus, SEM
Influenza, artwork
H1N1 flu virus particles, TEM
Avain influenza virus, artwork
Influenza virus protein domain
H3N2 flu virus particles, TEM
2009 H1N1 swine flu virus, TEM
H1N1 Influenza A virus particles, TEM
H1 antigen from 1918 influenza virus
Avian influenza research
Virus, artwork
Influenza research
H5N3 influenza A virus particles, TEM
Influenza A virus particles, TEM
Bird flu research
H1N1 1918 influenza virus, TEM
TEM of a cluster of corona viruses
Swine flu test, conceptual image
H1N1 swine flu virus, TEM
H1N1 swine flu virus, SEM
Avian flu virus, TEM
Influenza A non-structural-protein 1
H1N1 1976 swine flu virus, TEM
Coloured TEM of Beijing influenza viruses
Coloured TEM of a cluster of influenza viruses
Portrait of a doctor showing H1N1 sign
H1N1 flu virus particles, artwork
H5N1 avian influenza virus, TEM
Flu virus particles, TEM
Influenzavirus B, TEM
Yellow fever virus, artwork
H5N1 avian influenza virus particles, TEM
Swine influenza virus, artwork
Hepatitis a, artwork
SARS virus, artwork
Influenza A virus strain H5N1, TEM
Influenza virus particles, TEM
Influenza virus particle
Influenza viruses, TEM
Influenza tent hospital, USA, 1918
Amantadine drug molecule
Swine flu, conceptual image
Coloured TEM of a cluster of influenza A viruses
Spanish flu H1 antigen, molecular model
Influenza virus
Human rhinovirus, artwork
Influenza A viruses
Influenza A virus
H5N1 avian flu virus, TEM
Ebola virus, artwork
Human coxsackievirus, artwork
Herpes simplex, artwork
Flu vaccines