Viruses are the ultrasonic, nucleoprotein that reproduce only inside the living things. This note contains information about its living and non-living character along with its shape and occurrence.
The virus can be classified on the basis of the type of host and genetic material. They are of three types. This note contains detail information about all the types of viruses.
Viruses which infect bacterial cells are known as bacteriophage or bacteria eaters. This note contains information about the structure, chemical composition and mode of transmission of viruses.