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					 			      	What Are the Signs and Symptoms of Pneumonia? - NIH
					 			      	 
 The signs and symptoms of pneumonia vary from mild to severe. Many factors affect how serious pneumonia is, including the type of germ causing the infection and your age and overall health. http://www.nhlbi.nih.gov/health/health-topics/topics/pnu/signs
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					 			      	Pneumonia, Adults (Community Acquired) - MedlinePlus
					 			      	 
 Pneumonia is a common illness that affects millions of people each year in the United States. Germs called bacteria, viruses, and fungi may cause pneumonia. In adults, bacteria are the most common cause of pneumonia. https://medlineplus.gov/ency/article/000145.htm
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					 			      	Pneumonia Information. Pneumonia Symptoms, What is Pneumonia? - Patient
					 			      	 
 What is Pneumonia? What are Pneumonia symptoms? Pneumonia is a serious lung infection. Treatment with antibiotics is usually needed. If you are normally well, it is likely that you will make a full recovery. http://patient.info/health/pneumonia-leaflet
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					 			      	Pneumonia Symptoms and Causes - Everyday Health
					 			      	 
 Pneumonia symptoms can range from mild to severe. Learn the symptoms of pneumonia and when to seek medical attention. http://www.everydayhealth.com/pneumonia/symptoms/
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					 			      	Pneumonia - NHS Choices
					 			      	 
 Pneumonia (bronchopneumonia, lobar pneumonia and double pneumonia) is swelling (inflammation) of the tissue in one or both of your lungs. http://www.nhs.uk/conditions/pneumonia/Pages/Introduction.aspx
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					 			      	WHO: Pneumonia
					 			      	 
 WHO fact sheet on pneumonia provides key facts and information on causes, presenting features, economic costs, treatment, prevention and WHO response. http://www.who.int/mediacentre/factsheets/fs331/en/
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					 			      	Bacterial Pneumonia: Practice Essentials, Background, Pathophysiology
					 			      	 
 Pneumonia can be generally defined as an infection of the lung parenchyma, in which consolidation of the affected part and a filling of the alveolar air spaces with exudate, inflammatory cells, and fibrin is characteristic. http://emedicine.medscape.com/article/300157-overview
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					 			      	Pneumonia, Topic Overview - WebMD
					 			      	 
 Pneumonia is a lung infection that can make you very sick. You may cough, run a fever, and have a hard time breathing. For most people, pneumonia can be treated at home. It often clears up in 2 to 3 weeks. http://www.webmd.com/lung/tc/pneumonia-topic-overview
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					 			      	Pneumonia: Types, Symptoms, and Treatment - Healthline
					 			      	 
 Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and difficulty breathing. http://www.healthline.com/health/pneumonia
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					 			      	Pneumonia - Mayo Clinic
					 			      	 
 Pneumonia - Comprehensive overview covers symptoms, causes, treatment of this serious respiratory infection. http://www.mayoclinic.org/diseases-conditions/pneumonia/basics/definition/con-20020032
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					 			      	Pneumonia - KidsHealth
					 			      	 
 Pneumonia is a lung infection that can be caused by different types of germs, most commonly viruses. Read about the various types of pneumonia. http://kidshealth.org/en/parents/pneumonia.html
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					 			      	Pneumonia - Wikipedia, the Free Encyclopedia
					 			      	 
 Wikipedia's information about pneumonia. https://en.wikipedia.org/wiki/Pneumonia
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					 			      	Pneumonia Symptoms, Causes, and Risk Factors - American Lung Association
					 			      	 
 Anyone  can get pneumonia. It's commonly a complication of a respiratory  infection-especially the flu-but there are more than 30 different causes of the  illness. Older adults, children and people with chronic disease, including  COPD and asthma, are at high risk for pneumonia. http://www.lung.org/lung-health-and-diseases/lung-disease-lookup/pneumonia/symptoms-causes-and-risk.html
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					 			      	Pneumonia in Adults - MedlinePlus Medical Encyclopedia
					 			      	 
 Pneumonia is a common illness that affects millions of people each year in the United States. Germs called bacteria, viruses, and fungi may cause pneumonia. In adults, bacteria are the most common cause of pneumonia. https://www.nlm.nih.gov/medlineplus/ency/article/000145.htm
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					 			      	Pneumonia: Facts on Symptoms, Treatment and Vaccine
					 			      	 
 Bacteria, viruses, or fungi may cause pneumonia, or inflammation of the lungs. Read about pneumonia symptoms, treatment, and vaccination. Viral, bacterial, and fungal pneumonia are contagious. http://www.medicinenet.com/pneumonia_facts/article.htm