August 24, 2014. Captain Americaâs shield is a classic emblem, a near-indestructible aspect of the suspect that may well survive the Captain himself. Itâs been broken in the past, though, and it could be broken in the Marvel movies of the near future.
Bacterial infections may develop after a viral illness such as a cold or the flu. Bacterial infections may affect the upper or lower respiratory system, and symptoms tend to localize to one area. The most common sites of bacterial infections in the upper respiratory system are the sinuses and throat.Pneumonia is the most common bacterial infection of the lower respiratory system.Antibiotics are effective against bacterial infections only after they have developed, so most doctors do not prescribe them until a bacterial infection is suspected or confirmed.By Healthwise Staff.neumonia is the most common bacterial infection of the lower respiratory system. Antibiotics are effective against bacterial infections only after they have developed, so most doctors do not prescribe them until a bacterial infection is suspected or confirmed. By Healthwise Staff.
Introduction. Respiratory tract infections (RTIs) are any infection of the sinuses, throat, airways or lungs. They're usually caused by viruses, but can be caused by bacteria. RTIs are thought to be one of the main reasons why people visit their GP or pharmacist.The common cold is the most widespread RTI.ow respiratory infections spread. RTIs can spread in several ways. If you have an infection such as a cold, tiny droplets of fluid containing the cold virus are launched into the air whenever you sneeze or cough.