As of 2012 there is no effective vaccine for HIV or AIDS. A single trial of the vaccine RV 144 published in 2009 found a partial reduction in the risk of transmission of roughly 30%, stimulating some hope in the research community of developing a truly effective vaccine. Further trials of the RV 144 vaccine are on-going.
With school officially over, Holland noted that the Offspring are about to embark on a massive world tour, with North American dates scheduled through July and another leg set to begin September 8th in Chicago. Holland added that the band would be "recording new stuff every chance we get. Look for new music by us out soon."
Next, make three assertions about your topic, in order of increasing complexity.