Hemagglutinin Collection

Microscopic view of H5N1 virus with red blood cells and white blood cells

A black swarm of H5N1 avian flu viruses are attacked by antibodies (the three legged elements), which mark the virus for destruction

Avian influenza virus H7N9, TEM C016 / 6294
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus H7N9, TEM C016 / 6293
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus H7N9, TEM C016 / 6292
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C015 / 8800
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C015 / 8799
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C015 / 8797
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Influenza virus, illustration C018 / 0735
Influenza virus. Illustration of an influenza (flu) virus particle (virion). The virus consists of an RNA (ribonucleic acid) core (black)

Influenza virus, artwork C016 / 8349
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8348
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8347
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8346
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8344
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H)

Influenza virus, artwork C016 / 8345
This image may not be used in educational posters Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion)

Influenza virus, artwork C016 / 8342
Influenza virus. Computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H, red) and neuraminidase (N)

Influenza virus, artwork C016 / 8341
Influenza virus. Computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H, red) and neuraminidase (N)

Influenza virus, artwork C016 / 8340
Influenza virus. Computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike, haemagglutinin (H, red) and neuraminidase (N)

Newcastle disease virus protein C015 / 6912
Newcastle disease virus protein, molecular model. This is a hemagglutinin-neuromidase (HN) protein that enables the virus to bind to and infect host cells

Influenza virus, artwork C018 / 2894
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (blue) are two types of protein spike

Influenza virus, artwork C018 / 2893
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (blue) are two types of protein spike

Influenza virus, artwork C018 / 2891
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (blue) are two types of protein spike

Influenza virus, artwork C018 / 2890
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (green) are two types of protein spike

Influenza virus, artwork C018 / 2892
Influenza virus. Cut-away computer artwork of an influenza (flu) virus particle (virion). In each particles lipid envelope (brown) are two types of protein spike

Avian influenza virus, TEM C016 / 5843
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 5841
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 5842
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Influenza inhibition mechanism, artwork C016 / 5794
Influenza inhibition mechanism. Artwork of the membrane of an influenza (flu) virus, showing a molecule of the drug zanamivir (space-filled sphere model)

MERS coronavirus, artwork C016 / 3611
MERS coronavirus proteins. Cutaway computer model showing the protein structure of a MERS coronavirus particle (virion). MERS (Middle East respiratory syndrome)

SARS coronavirus, artwork C016 / 3055
SARS coronavirus proteins. Computer artwork of SARS coronavirus particles (virions). SARS (severe acute respiratory syndrome)

SARS coronavirus, artwork C016 / 3054
SARS coronavirus proteins. Cutaway computer model showing the protein structure of a SARS coronavirus particle (virion). SARS (severe acute respiratory syndrome)

SARS coronavirus, artwork C016 / 3053
SARS coronavirus proteins. Cutaway computer model showing the protein structure of a SARS coronavirus particle (virion). SARS (severe acute respiratory syndrome)

SARS coronavirus proteins, artwork C016 / 3052
SARS coronavirus proteins. Computer model showing the proteins of a SARS coronavirus particle (virion). SARS (severe acute respiratory syndrome)

Avian influenza virus, TEM C016 / 2354
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 2353
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 2352
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Avian influenza virus, TEM C016 / 2351
Avian influenza virus, type A strain H7N9, coloured transmission electron micrograph (TEM). This virus first emerged in the human population in China, in March 2013

Bird flu virus particle, artwork C013 / 4650
Bird flu virus particle. Computer artwork showing the internal and external structures of an influenza (flu) A subtype H5N1 (bird flu) virus particle (virion)

Avian influenza virus, TEM
Avian influenza virus, type A strain H5N1, coloured transmission electron micrograph (TEM). This virus was isolated in Vietnam, during the avian flu outbreak in early 2004

Influenza virus structure, 3D artwork
Influenza virus structure. 3D computer artwork showing the structure of a generic influenza virion. A portion of the virions protein coat (capsid) has been cut away

Spanish flu H1 antigen, molecular model
Spanish flu virus antigen. Computer model showing the molecular structure of a haemagglutinin 1 (H1) antigen from the Spanish influenza (flu) virus particle

Influenza virus structure, artwork
Influenza virus structure, cutaway artwork. The core of the virus is its genetic material, here 8 coloured ribbons of single-stranded RNA (ribonucleic acid)

Haemagglutinin flu proteins, artwork
Haemagglutinin flu proteins (red), artwork. Haemagglutinin is a membrane (surface) protein for the infuenza virus. An example is H1N1 flu virus, where H1 stands for haemagglutinin 1

Flu virion protein assembly, artwork. Three types of flu membrane (surface) proteins are shown coming together here to form the coating for a new virion

Blocked flu virus ion channel, artwork. This ion channel is an M2 membrane ion channel, found in the membranes of flu viruses

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Hemagglutinin, a key protein found on the surface of influenza viruses, plays a crucial role in their ability to infect and spread. This microscopic view showcases the H5N1 virus alongside red and white blood cells, highlighting its potential impact on human health. In another image, a black swarm of H5N1 avian flu viruses is under attack by antibodies, illustrating our immune system's defense mechanism against these harmful pathogens. The TEM images of avian influenza virus H7N9 further emphasize the intricate structure of this viral strain. With each magnified detail captured in C016 / 6294, C016 / 6293, and C016 / 6292, we gain insight into its morphology and composition. Similarly, TEM images labeled as C015 / 8800, C015 / 8799, and C015 / 8797 depict different strains of avian influenza virus with distinct characteristics worth exploring. Influenza viruses are notorious for causing seasonal outbreaks worldwide; hence understanding their structure becomes imperative in combating them effectively. Illustrations like artwork C018/0735 showcase an artistic representation of an influenza virus while providing insights into its inner workings that contribute to infection. Artworks labeled as C016/8349, C016/8348, andC016/8347 further highlight various aspects such as viral replication or host cell interaction. Through these captivating visuals capturing hemagglutinin's presence within diverse strains of influenza viruses - from H5N1 to H7N9 - scientists can delve deeper into studying their behavior and developing effective preventive measures such as vaccines or antiviral drugs that target this critical protein component.