This Venediktov said during a meeting with the ambassadors of other countries in Moscow.
“According to our estimates, this network includes over 400 objects,” RIA Novosti quotes him as saying.
He also stated that there are coincidences between the locations of American closed laboratories and the zones of emergence of new epidemic threats that are being identified.
Earlier, Russian President Vladimir Putin, during a summit of the heads of state of the Collective Security Treaty Organization, drew attention to the military biological activities of the United States in the post-Soviet space, including Ukraine.