An int’l effort to develop a safe, global vaccine
Smithsonian discussion, HIV testing, concert, photo exhibit on tap
Harmful laws create barriers to health services
Men with same-sex partners 28 times more likely to contract virus
'Ambitious target to help end AIDS epidemic'
Lack of prevention education, condoms cited as factors
Justin Trudeau attended ceremony at Canadian Parliament
International group has short- and long-term goals
World Health Organization advises ‘immediate treatment’
Leaders should fund progress, not discrimination
