Barr, I. G., Komadina, N., Durrant, C., Sjogren, H., Hurt, A. C., & Shaw, R. P. (2006). Circulation and antigenic drift in human influenza B viruses in SE Asia and Oceania since 2000. Communicable Diseases Intelligence, 30, 350–357. https://doi.org/10.33321/cdi.2006.30.32