RTS,S/AS01 went into Phase III trials in mid 2009.  It's being tested solely as vaccination meant for young children and is being tested in East Africa.  You can find more information here: <a href="http://clinicaltrials.gov/ct2/show/NCT00380393" rel="nofollow">http://clinicaltrials.gov/ct2/show/NCT00380393</a><p>Until it's tested more extensively for travelers, don't hold your breath for a readily available vaccine.  As always, evaluate the malaria risk of your destination and take the appropriate antimalarial for that area.