ANATOMY

Detailed explanation-1: -This suppression also occurs following the flu and compromises the immune system for several days, even after visible bodily symptoms disappear.

Detailed explanation-2: -When T cells specifically recognize influenza virus proteins, they then begin to proliferate in the lymph nodes around the lungs and throat. This causes swelling and pain in these lymph nodes. After a few days, these T cells move to the lungs and begin to kill the virus-infected cells.

Detailed explanation-3: -People with a weak immune system have a higher risk of experiencing frequent infections and severe symptoms. They may be more prone to pneumonia and other conditions. Bacteria and viruses, including the virus that causes the infection COVID-19, can have a devastating effect on a person with a compromised immune system.

Detailed explanation-4: -Even after you start feeling better, your immune system is still working. Your body makes proteins called antibodies against the virus that made you sick. If you get exposed to the virus again, your body will remember how to fight it off. That said, there are hundreds of viruses that cause colds.