You can even store your passport in the app for future flights, meaning next time you wouldn't even need to scan it. The only stipulation is that customers who need to get a Visa to travel to their destination will still need to check in at the airport.
Brain and nervous system problems are common. These neurological disorders include multiple sclerosis, Alzheimerâs disease, Parkinsonâs disease, epilepsy, and stroke, and can affect memory and ability to perform daily activities.
Infections common to HIV/AIDS. 1  Tuberculosis (TB). In resource-poor nations, TB is the most common opportunistic infection associated with HIV and a leading cause of death among people with AIDS.  Cytomegalovirus. This common herpes virus is transmitted in body fluids such as saliva, blood, urine, semen and breast milk. A healthy immune system inactivates the virus, and it remains dormant in your body. If your immune system weakens, the virus resurfaces â causing damage to your eyes, digestive tract, lungs or other organs.