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159 OoBM - vo SCI-201 -Page5.1. X 6.1 Introduction|C SCI-201-Page6.c & | Chat Thread a + 0 Cc 23 webtexts.com/courses/85310/traditional_book/chi 4% & (4) : a NOTIFICATIONS may be caused by a bacterial infection following an influenza infection. Pneumonia can be life-threatening in children under five years old, the elderly, and immune- compromised individuals, such as people with AIDS. Pneumonia is often the actual cause of death for terminally ill individuals and elderly individuals with severe mobility or cognitive impairment, such as Alzheimer's disease. MULTIPLE-CHOICE QUESTION Which types of pathogens most commonly cause LRT infections? ) viruses ) bacteria () pneumonia PATHOGENS RESPONSIBLE FOR INFECTION Both URT and LRT infections can be caused by dozens of different bacterial strains and families of viruses. Many of the symptoms and treatments will depend on the pathogen responsible. Rhinovirus is the most common viral infection that affects human beings. It is mainly responsible for what we call the \"common cold.\" Rhinoviruses almost always affect the upper respiratory tract. Symptoms include sore throat, runny nose, congestion, coughing, and sneezing. Antiviral drugs can be used to treat extreme infections. However, most people recover simply by drinking extra fluids and resting. The syncytial virus is a potentially dangerous virus that causes infections in the lower respiratory tract. Nearly every child contracts the virus by the time they are two to three years old. A small percentage of these children will develop a biockasi) in their lungs and require hospitalization. For severe cases, infants may need ad \">