@janekm @jburnmurdoch At least in NHP challenge with HIV, repeated sub-dosing did not reduce the susceptibility. This argues against the view that multiple sub-infectious challenges improve the immune response. https://t.co/calYk8fUUQ

Role of Exposure History on HIV Acquisition - Insights from Repeated Low-dose Challenge Studies http://t.co/bDA0ecM7 RT @PLoSCompBiol

RT @HIV_Insight: Role of Exposure History on HIV Acquisition - Insights from Repeated Low-dose Challenge Studies http://t.co/bDA0ecM7 RT @PLoSCompBiol

Role of Exposure History on HIV Acquisition - Insights from Repeated Low-dose Challenge Studies http://t.co/bDA0ecM7 RT @PLoSCompBiol