The OBERON 2021 Annual Meeting virtually took place on the 22^nd and 23^rd of April 2021.

This meeting gathered around 60 persons from the 11 European partners. Work progresses, first results and next steps for 2021 were presented by each work package leader in high quality demonstrations.

Interactive working group sessions were organized to foster discussions and to set up further collaboration between partners on in vivo, in vitro and in silico studies. Additional sessions were organized to discuss the preliminary transcriptomics and metabolomics results, AOPs and interaction within EURION.

EAB and SAB members attended this meeting and gave their feedbacks at the end of the second day. Their overall review was very positive and encouraging for the future. They also gave inspiring advices on strategic, scientific and technologic choices.