Pig disease control station. Government workers checking transported pigs (Sus scrofa domestica) for signs of disease. Checks like these help prevent the spread of diseases in pigs. Some strains of pig diseases,such as strains of swine influenza,can infect humans. Photographed in February 2004,on the boundary of Beijing and Hebei Province,China | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / REPORTERS / SUN ZHONGNAN / COLPHOTO |
Bildgröße: | 3628 px × 2409 px |
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