A virus is a pathogen that infects all forms of life. It replicates only inside a living cell of an organism. There are many 1000’s of species identified. One many are aware of is COVID-19. Others are the flu virus or norovirus
Virus
A virus is a pathogen that infects all forms of life. It replicates only inside a living cell of an organism. There are many 1000’s of species identified. One many are aware of is COVID-19. Others are the flu virus or norovirus