Cross-Reactivity against Naja sumatrana (Black Spitting Cobra) Envenoming from the Haffkine Antivenom in a Mouse Model

Table 5

24-hour-survival of mice after tail-vein injection of Haffkine antivenom incubated with 2.5 LD₅₀  Naja sumatrana venom.

Antivenom dose (mg)	Lived	Died	Mortality %
104.6	4	0	0.00
52.3	0	4	100.00
26.1	0	4	100.00