What is the full form of the $WB$ test?

In which of the following situations is $AIDS$ $NOT$ transmitted?

Which virus directly attacks macrophages?

In full-blown $AIDS$,which other diseases are likely to occur?

Immune deficiency syndrome in humans could develop as a consequence of

Human immune deficiency virus $(HIV)$ is a retrovirus with centrally located two $ssRNA$ molecules. It is covered by an outer layer of $I$ protein and an inner layer made up of $II$ protein.