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.
Within 2-4 weeks after HIV infection, many, but not all, people experience flu-like symptoms, often described as the âworst flu ever.â This is called acute retroviral syndrome (ARS) and itâs the bodyâs natural response to the HIV infection. Symptoms can include: 1  Fever (this is the most common symptom). 2  Swollen glands.