Obama announced millions more in international aid, plus an additional $50 million to fight hiv and aids here in the united states. one positive sign, the u.n. says the number of new hiv infections worldwide is at its lowest since 1997. now the aids virus was first identified 30 years ago this month, and has since killed 30 million people worldwide, and as we çspeak, 33 million folks li with hiv. here in the u.s., there's more than 1 million patients, but 21% of them, a fifth, one in five, do not know it, raising the risk of infecting others. if you're looking for a testing location, check o...