An extensive study of neutralization of lethality of two species of elapid, seven species of
genus Viper, and two species of Macrovipera by VACSERA polyvalent snake antisera.
The results showed that polyvalent snake venom antisera prepared by injecting horses with
Naja haje, Naja nigricolis, and Cerrastes cerrastes venom) was highly effective in neutralizing
the venoms specifically and neutralized Para-specifically others including Vipera palastinae,
Vipera xanthina, Vipera ammodytes, Echis coloratus, Echis carinatus, Cerastes vipera
and pseudocerrastes-feildi beside Macrovipera species including Macrovipera lebetina obtuse,
M. lebetina turanica.