Parasites can carry and transmit viruses, but they do not "cause" them.
viruses are considered parasites (obligate parasites) because they cannot exist on their own. they need the host cell's machinery to reproduce so they cannot "survive" (technically not living) outside the cell.
Viruses
No; viruses are sub-Cellular 'virons', while parasites are frequently multi-cellular organisms.
Pathogens. These are typically bacteria, viruses, fungi, or parasites that can cause disease by invading the body's tissues. Common examples include influenza viruses, E. coli bacteria, and malaria parasites.
bacteria, pathogens, viruses. NN=(all of the above)
Bacteria, fungi, and parasites are larger than viruses. They are all types of microorganisms that can cause infections in humans and other living organisms.
"Chemicals, heavy metals, parasites, fungi, viruses and bacteria can cause food borne illness."
Viruses are similar to parasites because both require a host to survive and both destroy the cells in which they multiply (cause harm to the host).
bacteria, viruses, fungi and parasites
A pathogen is a microorganism that can cause disease in its host. This includes bacteria, viruses, fungi, and parasites that can infect humans, animals, and plants.
Viruses do not cause decay because they are not capable of carrying out metabolic activities on their own. Decay is typically caused by bacteria and fungi that can break down organic matter. Viruses rely on infecting host cells to replicate and do not have the ability to break down complex organic material.
Because viruses can not reproduce or produce protein without a host cell