Image Dr. Louis Picker talks to a colleague in his lab at OHSU before the pandemic./OHSU OHSU Lab Marks Milestone: Trial Of HIV Vaccine Launched The vaccine, the brainchild of Dr. Louis Picker and Dr. Klaus Frueh, has been two decades in the making as the scientists have toiled to come up with a drug to fight the tricky virus. Jan 6, 2021 Premium Subscribe to Louis Picker