Morning Briefing

With the RTS,S malaria vaccine trial results showing "moderate" success, helping to reignite "optimism about eradicating malaria entirely," "there are other big hurdles still to surmount," a New York Times editorial states. "There are hints that the protection may wane over time and results from administering a booster shot won't be known until 2014," and side effects could be a concern, the editorial writes.