Australia faces flu vax shortage; Sanofi backs polio push;

> The early start to the Australian flu season has caused vaccine shortages. News

> Sanofi ($SNY) will provide 1.7 billion doses of the polio vaccine to support the eradication push. Item

> The Pentagon called for details of developmental ricin vaccines in the wake of recent mailings. Piece

> Unicef has begun using the 5-in-1 vaccine in Somalia to protect the country's children. Post

> Agenus reported positive Phase II data for the brain cancer vaccine it now plans to advance into late phase trials. Article