Novichok, a deadly nerve agent that has left Russian opposition politician Alexei Navalny in a coma and nearly killed a former Russian spy and his daughter in 2018, was the product of a highly secretive Soviet chemical weapons program. HOW LETHAL IS NOVICHOK? Novichok, the nerve agent used in the attack that nearly killed former spy Sergei Skripal and his daughter, Yulia, in the English city of Salisbury on March 4, 2018, has been described as much deadlier than any U.S. equivalents.
Novichok, a deadly nerve agent that has left Russian opposition politician Alexei Navalny in a coma and nearly killed a former Russian spy and his daughter in 2018, was the product of a highly secretive Soviet chemical weapons program. HOW LETHAL IS NOVICHOK? Novichok, the nerve agent used in the attack that nearly killed former spy Sergei Skripal and his daughter, Yulia, in the English city of Salisbury on March 4, 2018, has been described as much deadlier than any U.S. equivalents.