The breakthrough drug reduced tumor size and growth by up to 80% in early testing, according to Veronika Skvortsova Russia’s newly developed cancer vaccine has shown high effectiveness in preclinical trials and is ready for rollout, according to Veronika Skvortsova, head of the Federal Medical-Biological Agency. The breakthrough drug is awaiting approval from the Russian Health Ministry. The vaccine showed excellent results in three years of preclinical trials, the official told Izvestia on