Bird flu. Conceptual artwork of a chicken and flying syringes,representing measures taken against the spread of avian influenza (bird flu). The background figures indicate this is the H5N1 variant of the influenza A virus. Although this form does not typically infect humans,in 1997,the first instance of direct bird-to-human transmission was identified during an outbreak of avian influenza in Hong Kong poultry. It caused severe respiratory illness in 18 people,six of whom died | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Goodwin, Glyn |
Bildgröße: | 3690 px × 2421 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |