Incident cases characterization and deep sequencing provide new insight into multiplicity of infection and HIV evolution in very early acute infection. - Kijak, G.; Sanders-Buell, E.; Rolland, M.; Li, H.; Bates, A.; Bose, M.; O'Sullivan, A.; Eller, L.; O'Connell, R.; Shaw, G.; Michael, N.; Kim, J.; et al. (Retrovirology, 2012)