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| IDU | |
Injection Drug User | |
| Immune Deficiency/Immunodeficiency | |
A breakdown or inability of certain parts of the immune system to function, thus making a person susceptible to certain diseases they would not ordinarily develop. | |
| Incidence | |
The number of new cases of a disease that occur during a specified time period. | |
| Incidence Rate | |
The number of new cases of a disease or condition that occur in a defined population during a specified time period, often expressed per 100,000 persons. AIDS incidence rates are often expressed this way. | |
| Incubation Period | |
The time interval between the initial infection with a pathogen (e.g., HIV) and the appearance of the first symptom or sign of disease. | |
| Infectious | |
An infection capable of being transmitted by direct or intimate contact (e.g., sex). | |
| Integrase Inhibitors | |
Integrase inserts HIV's genes into a cell's normal DNA. It operates after reverse transcriptase has created a DNA version of the RNA form of HIV genes present in virus particles. Integrase inhibitors are a class of experimental anti-HIV drugs that prevent the HIV integrase enzyme from inserting viral DNA into a host cell's normal DNA. | |