API stands for Application Programming Interface, i.e. API is the way for an application to interact with certain system/application/library/etc. For example, there are API's for OS (WinAPI), API's for other applications (like databases) and for specific libraries (for example, image processing), etc.
Acute HIV infection: The first stage of HIV, known as the primary or acute infection, may cause symptoms of fever and skin rash. This is because the virus is multiplying rapidly in the body and infecting immune cells. This phase generally lasts several weeks.
Dengue Fever Facts. Dengue fever is a disease caused by viruses that are transmitted to people by mosquitoes. Dengue fever usually causes fever (high, about 104 F-105 F), skin rash (see Figure 1), and pain (headaches and often severe muscle and joint pains).