If you're wondering how to patent a natural product, the answer is that natural products are not eligible for patent protection. A controversial ruling by the United States Patent and Trademark Office was issued in March 2016 that denied a patent on isolated gene sequences linked to breast cancer.

Nature, in the broadest sense, is the natural, physical, material world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general.

While both can cause disease, viruses are not living organisms, whereas bacteria are.

Viruses are as alive as crystals?

In 1935 tobacco mosaic virus became the first virus to be crystallized;

in 1955 the poliomyelitis virus was crystallized.