Flu virus particles. Transmission electron micrograph (TEM) of a section through a number of different influenza (flu) virus particles (virions). There are three influenza types (A,B and C). Influenza A and B viruses cause seasonal epidemics of disease almost every winter in the United States. Influenza C infections cause a mild respiratory illness and are not thought to cause epidemics | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Dr. Fred Murphy; Sylvia Whitfield / AMI IMAGES |
Bildgröße: | 2823 px × 3732 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |