In a close-ended manometer, one end of the manometer is attached to the high-pressure gas, and the other has a vacuum of gas instead of being open to the air. Barometers also fill this function, but measure only atmospheric gases.
The most common HIV symptoms in women in this stage include: 1  Body rash. 2  Fever. 3  Sore throat.  Severe headaches.
HIV symptoms. Within a month or two of HIV entering the body, 40% to 90% of people experience flulike symptoms known as acute retroviral syndrome (ARS). But sometimes HIV symptoms don't appear for yearsâsometimes even a decadeâafter infection. In the early stages of HIV infection, the most common symptoms are none, says Michael Horberg, MD, director of HIV/AIDS for Kaiser Permanente, in Oakland, Calif.