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.
Early HIV signs and symptoms may include: 1  Fever. 2  Headache. 3  Sore throat. 4  Swollen lymph glands. 5  Rash. 6  Fatigue.