Why does hepatitis A virus target liver cells?

Answer 1

That is a very good question. But then is difficult to answer. This fallows that why so many types of viruses have special affection to some organ system. The liver has special function, as a organ of metabolism. Every organ system has some special functions, to perform. So they must be using some special enzymes in their metabolism. The viruses have very less number of genes and may be using that particular enzyme from that particular organ cells. So the particular virus is able to divide and play its role in particular types of cells in better way. So the particular virus has affection to the particular types of cells or the organ made of such cells. So this is the probable answer for the question.