H1N1 flu virus particles (virions,blue) on a cell (green),coloured scanning electron micrograph (SEM). This is the Neurotrophic Wilson-Smith (NWS) strain of an influenza A virus subtype H1N1. Influenza A can infect multiple species and is the most virulent human pathogen of the three influenza types (A,B and C),meaning that it has the potential to cause a pandemic. Magnification: x15,000 when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NIBSC |
Taille de l’image : | 4843 px × 3923 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |