Flu virus particles,computer artwork. In the virus' envelope are two types of protein spike,haemagglutinin (H,light green) and neuraminidase (N,dark green),which determine the strain of virus. These are used for recognising and binding to the host cell | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Harris, Roger |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |