What organisms are infected by a virus?

Answer 1

virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants to bacteria and archaea.[1]

Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants, and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898,[2] about 5,000 viruses have been described in detail,[3] although there are millions of different types.[4] Viruses are found in almost every ecosystem on Earth and are the most abundant type of biological entity.[5][6] The study of viruses is known as virology, a sub-speciality of microbiology

Answer 2

Viruses can infect any living organism, including water animals.

Answer 3

Your question needs to say whether you are asking about computer viruses or viruses that cause physical diseases.

Answer 4

Viruses can infect any living organism including bacteria, animals and plants.