a: a change in frequency resulting in a change in position of a spectral line or band â compare doppler effect b: a removal or transfer from one thing or place to another â see chloride shift Learn More about shift
The most common lower respiratory tract infection is pneumonia, an infection of the lungs which is usually caused by bacteria, particularly Streptococcus pneumoniae in Western countries. Worldwide, tuberculosis is an important cause of pneumonia.ther pathogens such as viruses and fungi can cause pneumonia for example severe acute respiratory syndrome and pneumocystis pneumonia. A pneumonia may develop complications such as a lung abscess, a round cavity in the lung caused by the infection, or may spread to the pleural cavity.
1 Urinary tract infection (UTI) is a bacterial infection of the bladder, urethra, kidneys, or ureters. 2  Respiratory tract infections include sore throat, bronchitis, sinusitis, and pneumonia. 3  Bacteria or viruses may be responsible for respiratory tract infections. bacterial infection is a proliferation of a harmful strain of bacteria on or inside the body. Bacteria can infect any area of the body. Pneumonia, meningitis, and food poisoning are just a few illnesses that may be caused by harmful bacteria.