Ascorbic acid. EBSCO DynaMed website. Available at:
. Updated March 6, 2013. Accessed April 2, 2013.
How can pneumonia be prevented? National Heart Lung Blood Institute website. Available at:
. Updated March 1, 2011. Accessed April 2, 2013.
Jackson LA, Neuzil KM, Yu Onchee, et al. Effectiveness of Pneumococcal Polysaccharide Vaccine in Older Adults.
N Engl J Med. 2003; 348: 1747-1755.
Prevent Pneumonia. American Lung Association website. Available at:
. Accessed April 2, 2013.
Pneumonia in adults. EBSCO DynaMed website. Available at:
. Updated March 25, 2013. Accessed April 2, 2013.
Zinc. Office of Dietary Supplements website. Available at: . Updated September 20, 2011. Accessed April 2, 2013.
10/30/2009 DynaMed Systematic Literature Surveillance
: Hemila H, Louhiala P. Vitamin C for preventing and treating pneumonia.
Cochrane Database Syst Rev. 2009;(3):CD005532.
2/4/2011 DynaMed's Systematic Literature Surveillance
: Lassi Z, Haider B, Bhutta Z. Zinc supplementation for the prevention of pneumonia in children aged 2 months to 59 months.
Cochrane Database Syst Rev.
Bhutta ZA, Black RE, Brown KH, et al. Prevention of diarrhea and pneumonia by zinc supplementation in children in developing countries: pooled analysis of randomized controlled trials. Zinc Investigators' Collaborative Group.
Bhandari N, Bahl R, Taneja S, et al. Effect of routine zinc supplementation on pneumonia in children aged 6 months to 3 years: randomised controlled trial in an urban slum.
Brooks WA, Santosham M, Naheed A, et al. Effect of weekly zinc supplements on incidence of pneumonia and diarrhoea in children younger than 2 years in an urban, low-income population in Bangladesh: randomised controlled trial.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.