Table 1.

Protein concentration and Hemagglutination titer of the virus and the virosome.

	Cell culture of the virus	Concentrated and purified virus	The virosome
Protein concentration	100 µg/ml	5 mg/ml	500 µg/ml
Hemagglutination titer	10240 HA/ml	655360 HA/ml	81920 HA/ml