Virology Notebook – A Virology Information Bank

Virology Notebook – A Virology Information Bank. ‘Viruses are the smallest form of life that are capable of replications. Unlike bacteria they do not have their own replication mechanisms, yet they are capable of using the machinery systems of other organisms to replicate. Viruses can infect bacteria, plants, or animals cells (including humans). As viruses require receptor on the surface of the cells that they infect for attachment, most viruses are capable of infecting only specific organisms. For example, Avian influenza can only infect birds. Human are only infected with a type of influenza virus that can attach (on the receptor) to human respiratory cells. For avian influenza virus to successfully infects the human population, there should be changes at molecular level that will enable them infect human cells.’



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