Common cold, which includes symptoms such as cough, sneezing or runny nose, is a viral infection that involves the upper respiratory system and may not need serious medical attention. However, sometimes it could develop into a health complication like bronchitis, pneumonia, an ear infection, sinusitis, or an asthma attack. In the case of Pnuemonia, it is the inflammation of the lungs caused by a bacterial or viral infection, in which the air sacs get filled with pus which may become solid. Such inflammation may affect both lungs, resulting in ‘double pneumonia’, or only one, ‘single pneumonia’. Two extremes of human life, which include the young, (those below age two) and the old, (those above age 65), are considered to be the most vulnerable considering their low levels of immunity. However, those between other age groups can also be susceptible to pneumonia infection when the immune system is week. Symptoms of the disease include cough, fever, chest pain, fast breathing a...