FIG. 1.
Comparison of lethality of human H5N1 influenza viruses for BALB/c mice. Groups of 10 mice were infected i.n. with 104 (A), 103 (B), or 102 (C) MID50 of HK/483 (●), HK/485 (○), HK/156 (▾), or HK/486 (▿) virus and examined daily for 14 days.
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