Human immunodeficiency virus (HIV) is a germ that causes a lifelong infection that slowly weakens the immune system. Though the infection is lifelong, medicines can keep the virus in check and help ...

During replication and transmission of HIV (green), RNA is converted to DNA. With the CDC urging screening for all willing patients, providers will be testing and managing a growing number of ...

2 to 4 Weeks After Exposure 3 to 4 Weeks After Exposure 4 Weeks After Exposure Later-Stage HIV and AIDS Human immunodeficiency virus (HIV) infection is a progressive disease, meaning that it typically ...

The early signs of HIV infection tend to be nonspecific. Within days or weeks of exposure to the virus, a person may notice flu-like symptoms, a rash, and fatigue. Less commonly, mouth ulcers, nausea, ...