The progressions of HIV to AIDs involve different stages of dinical developments. square is the initial stage where one obtains the virus through the various modes of transmission.

The correct answer is: **Acute HIV infection**.<br /><br />Acute HIV infection is the initial stage where an individual contracts the virus through various modes of transmission, such as unprotected sexual contact, sharing needles, or from mother to child during childbirth or breastfeeding. During this stage, the virus rapidly replicates in the body, and the immune system responds by producing antibodies to fight the infection. This stage can last for several weeks to months, and individuals may not show any symptoms or may experience flu-like symptoms. It is important to note that during this stage, the virus is highly active, and the individual can transmit the virus to others.