This is HIV.A scanning electron microscopic image of HIV. The glycoprotein complex on its surface enables the virus to attach to and fuse with target cells to initiate the infectious cycle. (The little bastards)
bacteriophage is a virus which infects bacteria. In particular, the bacteriophage is a virus which infects E.Coli, a bacteria that has been used extensively for molecular biology research. The bacteriophage exemplifies the life cycle of viruses.