LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Infectious bursal disease virus particle. Computer artwork of the capsid of the infectious bursal disease virus (IBDV), with proteins represented by coloured blobs. The capsid is a protein coat that encloses the virus's RNA (ribonucleic acid) genome. The IBDV capsid is icosahedral in shape, with 20 triangular faces. IBDV infects young chickens to cause infectious bursal disease, which suppresses the immune system and makes the birds susceptible to secondary infections. It is highly contagious, and can lead to death.
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