Human cells infected with influenza virus, coloured transmission electron micrograph (TEM). Influenza (flu) is a respiratory disease caused by infection with a flu virus (purple) seen here budding from the cell surface. Symptoms can range from mild to severe, including: a high fever, runny nose, sore throat, muscle pains, headache, coughing, and tiredness. Influenza spreads around the world every year causing seasonal outbreaks, resulting in about three to five million cases of severe illness and about 250, 000 to 500, 000 deaths. Magnification: x 6000 at 10cm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 4572 px × 4076 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |