Pandemic influenza A (H1N1) and its prevention: a cross sectional study on patients' knowledge, attitude and practice among patients attending primary health care clinic in Kuala Lumpur, Malaysia.

The World Health Organization confirmed that the novel influenza A, H1N1 as a pandemic on 11 June 2009. After less than three months, 182 countries were affected by the pandemic accounting for about 150,000 infected cases and 3000 mortality. Successful H1N1 pandemic management strategies' shaped by making changes in health behavior.