This, according to TASS, was stated by the managing partner of 3D Bioprinting Solutions Yousef Khesuani.

“Unfortunately, the results are unsuccessful.

It’s hard to figure out why,” Khesuani said.

He added that a possible reason could be violations of the conditions of transportation.

Earlier, the winner of the "Leaders of Russia" spoke about research into the treatment of post-COVID syndrome.

Also, the WHO said that the "export" of COVID-19 from China is now hardly dangerous for Russia.