He says if South Koreans want to really boost their global profile, they need to make greater contributions to international causes, such as poverty reduction or climate change.

VOA: standard.2009.11.05

The first step uses a bit of influenza DNA to get the patient's immune system to begin fighting off the flu, and then the protection is given a "boost" some time later by the second step, which can be either another bit of DNA or a conventional flu vaccine.

VOA: standard.2010.07.21