Asked Feb 12, 2020

In regards to viral infections, what is tissue tropism?

The limited number of species that can be infected by a virus.

The manner in which virus treatments are administered depending on the infection site.

The ability of a virus to replicate at a different rate depending on the host cell age.

The ability of a virus to only infect and replicate in certain types of tissue within the host.


Expert Answer

Step 1

Viruses must bind to specific cell surface receptors to invade a cell. The presence of cellular receptors authorizing viral entry. If a cell does not display these receptors then the virus does not usually infect it.

Step 2

In virology, "tissue tropism" is the cells and tissues of a host that support the growth of a particular virus. Some viruses have a wide range of tissue tropism and can in...

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