Most researchers do not consider viruses and parasites to be members of the normal microbial flora since they are not commensals and do not benefit the host.
Viruses and parasites is the growth of microorganisms that are NOT part of the normal flora at a certain body region.
What is Viruses and parasites ?
- Bacteria and viruses may survive outside of the human body (for example, on a tabletop) for several hours or days. Parasites, on the other hand, require a living host to survive.
- Antibiotics are frequently effective in killing bacteria and parasites. However, these medications do not destroy viruses.
- Parasites vary from bacteria and viruses in that their cells share many characteristics with human cells, including a distinct nucleus. Parasites are typically bigger than bacteria, yet certain environmentally resistant species can be as tiny as bacteria.
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