Pneumonia is a lung infection caused due to infection by virus and bacteria. It generally infects the alveoli of lungs or the air sacs. As the person lung is infected it generally results in respiratory problems like problem in breathing, regular cough and chest pain. The severity of the disease depends on the causing agent of the disease, person immune system, genetic factors and the age of the person. There are various types of pneumonia divided according to the causal agent: bacteria pneumonia, viral pneumonia, mycoplasma pneumonia. The people with lower immunity, older people and the people having early history of some disease like asthma are at higher risk of developing pneumonia. The common symptoms for pneumonia include chest pain, vomiting, rapid heart rate, difficulty in breathing and muscle pain. Chest X-ray and blood test can be done to diagnose the
Review articles are the summary of current state of understanding on a particular research topic. They analyze or discuss research previously published by scientist and academicians rather than reporting novel research results.
Review article comes in the form of systematic reviews and literature reviews and are a form of secondary literature. Systematic reviews determine an objective list of criteria, and find all previously published original research papers that meet the criteria. They then compare the results presented in these papers. Literature reviews, by contrast, provide a summary of what the authors believe are the best and most relevant prior publications.
The concept of "review article" is separate from the concept of peer-reviewed literature. It is possible for a review to be peer-reviewed, and it is possible for a review to be non-peer-reviewed.
Last date updated on January, 2021