<P> Botulinum is the most acutely lethal toxin known , with an estimated human median lethal dose ( LD ) of 1.3 -- 2.1 ng / kg intravenously or intramuscularly and 10 -- 13 ng / kg when inhaled . </P>
<P> Botulinum is the most acutely lethal toxin known , with an estimated human median lethal dose ( LD ) of 1.3 -- 2.1 ng / kg intravenously or intramuscularly and 10 -- 13 ng / kg when inhaled . </P>
what is the most toxic substance to humans
what is the most toxic substance to humans
Botulinum
Botulinum