Hepatitis A virus (HAV) is classified with the enterovirus group of the Picornaviridae family. HAV has a single molecule of RNA surrounded by a small (27 nm diameter) protein capsid and a buoyant density in CsCl of 1.33 g/ml. Many other picornaviruses cause human disease, including polioviruses, coxsackieviruses, echoviruses, and rhinoviruses (cold viruses).
A microorganism is called a "pathogen".
Sonething
Salmonella spp.
A bacteria.
Bacteria!!
any microorganism that causes disease.
Any microorganism that causes disease.
Pathogen
I think you mean Hepatitis. It is a viral infection.
An agent that causes disease, especially a living microorganism such as a bacterium or fungus.
Strains of E.Coli can cause food poisoning.
Salmonella typhae a kind of bacteria responsible for typhoid