Question

write in brief about some major viral diseases​

Answer 1

Answer:

Human immunodeficiency virus (HIV/AIDS) Human papillomavirus (HPV) Infectious mononucleosis. Mumps, measles and rubella.

Explanation:

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Answer 2

Viruses are small particles of genetic material (either DNA or RNA) that are surrounded by a protein coat. Some viruses also have a fatty "envelope" covering. They are incapable of reproducing on their own. Viruses depend on the organisms they infect (hosts) for their very survival. Viruses get a bad rap, but they also perform many important functions for humans, plants, animals, and the environment. For example, some viruses protect the host against other infections. Viruses also participate in the process of evolution by transferring genes among different species. In biomedical research, scientists use viruses to insert new genes into cells.