Images of Avian Influenza A H7N9
For sound and video clips, visit CDC Laboratory Works on H7N9 at CDC Media Relations Audio/Video Resources.
Genetic Evolution of H7N9 Virus in China
H7N9 Virus Origin Diagram
Genetic Evolution of H7N9 Virus in China
H7N9 Virus Origin Diagram
![This diagram depicts the origins of the H7N9 virus from China and shows how the virus's genes came from other influenza viruses in birds.](../images/avianflu/h7n9-reassortment-diagram-sm.jpg)
This diagram depicts the origins of the H7N9 virus from China and shows how the virus’s genes came from other influenza viruses in birds.
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Electron Micrograph Images of H7N9 Virus from China
H7N9 virus - Image A Large
Electron Micrograph Images of H7N9 Virus from China
H7N9 virus – Image A Large
![Electron Micrograph Images of H7N9 Virus from China](../images/avianflu/H7N9_a_lg.jpg)
Influenza A H7N9 as viewed through an electron microscope. Both filaments and spheres are observed in this photo.
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H7N9 virus - Image B Large
H7N9 virus – Image B Large
![Electron Micrograph Images of H7N9 Virus from China](../images/avianflu/H7N9_b_lg.jpg)
Spherical influenza A H7N9 virus as viewed through an electron microscope.
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H7N9 virus - Image C Large
H7N9 virus – Image C Large
![Electron Micrograph Images of H7N9 Virus from China](../images/avianflu/H7N9_c_lg.jpg)
Spherical influenza A H7N9 virus as viewed through an electron microscope.
H7N9 virus - Image D Large
H7N9 virus – Image D Large
![Electron Micrograph Images of H7N9 Virus from China](../images/avianflu/H7N9_d_lg.jpg)
Spherical influenza A H7N9 virus as viewed through an electron microscope.
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Images of H7N9 Virus Detection Kits
Diagnostic Kits - Image A Large
Images of H7N9 Virus Detection Kits
Diagnostic Kits – Image A Large
![A freezer contains CDC’s H7N9 reagent kits for international shipment.](../images/avianflu/diagnostic-kits_a_lg.jpg)
A freezer contains CDC’s H7N9 reagent kits for international shipment.
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Diagnostic Kits - Image B Large
Diagnostic Kits – Image B Large
![A packaged CDC reagent kit for detecting H7N9 virus](../images/avianflu/diagnostic-kits_b_lg.jpg)
A packaged CDC reagent kit for detecting H7N9 virus
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CDC Scientist working with H7N9 Virus
H7N9 Lab - Image A Large
CDC Scientist working with H7N9 Virus
H7N9 Lab – Image A Large
![A CDC Scientist harvests H7N9 virus that has been grown for sharing with partner laboratories for research purposes](../images/avianflu/h7n9-lab_a_lg.jpg)
A CDC Scientist harvests H7N9 virus that has been grown for sharing with partner laboratories for research purposes.
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H7N9 Lab - Image B Large
H7N9 Lab – Image B Large
![A CDC scientist measures the amount of H7N9 virus that has been grown and harvested in CDC’s laboratory](../images/avianflu/h7n9-lab_b_lg.jpg)
A CDC scientist measures the amount of H7N9 virus that has been grown and harvested in CDC’s laboratory.
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H7N9 Lab - Image C Large
H7N9 Lab – Image C Large
![A CDC scientist uses a pipette to transfer H7N9 virus into vials for sharing with partner laboratories for public health research purposes](../images/avianflu/h7n9-lab_c_lg.jpg)
A CDC scientist uses a pipette to transfer H7N9 virus into vials for sharing with partner laboratories for public health research purposes.
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H7N9 Lab - Image D Large
H7N9 Lab – Image D Large
![A CDC Scientist harvests H7N9 virus that has been grown for sharing with partner laboratories for research purposes](../images/avianflu/h7n9-lab_d_lg.jpg)
A CDC Scientist harvests H7N9 virus that has been grown for sharing with partner laboratories for research purposes.
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- Page last reviewed: May 17, 2013
- Page last updated: May 17, 2013
- Content source:
- Centers for Disease Control and Prevention, National Center for Immunization and Respiratory Diseases (NCIRD)
- Page maintained by: Office of the Associate Director for Communication, Digital Media Branch, Division of Public Affairs