Evidence
This page contains a snapshot of featured content which highlights evidence addressing key clinical questions including areas of uncertainty. Please see the main topic reference list for details of all sources underpinning this topic.
Cochrane Clinical Answers

Cochrane Clinical Answers (CCAs) provide a readable, digestible, clinically focused entry point to rigorous research from Cochrane systematic reviews. They are designed to be actionable and to inform decision making at the point of care and have been added to relevant sections of the main Best Practice text.
- Is there randomized controlled trial evidence to support the use of vaccines for preventing pneumococcal infection in adults?
- What are the effects of noninvasive positive pressure ventilation with supplemental oxygen, when compared with Venturi mask oxygen delivery, in adults with pneumonia?
- In hospitalized adults with community-acquired pneumonia, is there randomized controlled trial evidence to support the use of empiric atypical antibiotic coverage over typical antibiotic coverage?
- How do corticosteroids compare with placebo in adults with pneumonia?
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