How Pre-exposure Prophylaxis (PreP) protects against HIV transmission.

Acquired Immunodeficiency Syndrome (AIDS) came to rise in 1981, where it devastated communities. Patients suffering from AIDS had a disorder known as lymphopenia. Lymphopenia is caused by a shortage of lymphocytes (white blood cells) in the blood stream. It was discovered that the Human Immunodeficiency Virus (HIV) was behind the …