Question

explain beneficial effect and harmful effect of viruses​

Answer 1

Answer:viruse help in reproducing as well as causes diseases.

Explanation:

Answer 2

Answer:

In fact, some viruses have beneficial properties for their hosts in a symbiotic relationship (1), while other natural and laboratory-modified viruses can be used to target and kill cancer cells, to treat a variety of genetic diseases as gene and cell therapy tools, or to serve as vaccines or vaccine delivery agents.