The form in which a drug or product is tested and later supplied to consumers. Common formulations are tablets, soft-gel capsules, oral liquids, injected liquids, creams and dermal patches. Microbicides can be in created in the form of rings, gels, films, tablets or others yet to be developed.
This stage in the HIV life cycle occurs after the attachment stage. The viral envelope, which is like the shell or skin of the virus, fuses with the host cell’s membrane, or skin. As the cell and the virus fuse to become one entity, the contents of the virus are released into the cell.