Roche warned that Russia’s attack on Ukraine is disrupting the development of a new generation of multiple sclerosis (MS) drugs as the industry has come to disproportionately rely on Eastern Europe for clinical trials.

Coronavirus deaths in Eastern Europe topped 1 million on December 30, according to a Reuters tally, as the Omicron variant threatened to batter the region.

Europe crossed 75 million coronavirus cases on December 3, according to a Reuters tally, as the region braces for the new Omicron variant at a time when hospitals in some countries are already strained by the current surge.

Global Covid-19 cases surpassed 250 million on November 8 as some countries in eastern Europe experience record outbreaks, even as the Delta variant surge eases and many countries resume trade and tourism.

Global coronavirus cases surpassed 100 million on Jan. 27, according to a Reuters tally, as countries around the world struggle with new virus variants and vaccine shortfalls.

Europe’s new Covid-19 cases doubled in five weeks, propelling the region across the bleak milestone of 10 million total infections, according to a Reuters tally.