ANATOMY

Detailed explanation-1: -The common cold is a viral infectious disease that affects the upper respiratory system. It is the most common infectious disease among humans. Most colds result from coronaviruses or rhinoviruses. The coronavirus that causes a cold is different from SARS-CoV-2, which causes COVID-19.

Detailed explanation-2: -A cold and the flu are viral infections. They both affect your respiratory system. This includes your throat, nose, airway and lungs.

Detailed explanation-3: -The common cold is a viral infection of your nose and throat (upper respiratory tract). It’s usually harmless, although it might not feel that way. Many types of viruses can cause a common cold. Healthy adults can expect to have two or three colds each year.

Detailed explanation-4: -This response to the influenza virus actually interferes with the normal immune response to bacterial infection, leading to potentially uncontrolled respiratory bacterial infections.

Detailed explanation-5: -Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death.