COBATEST network takes part in Boost project 2023-2025, funded by the European Commission’s Action grant, together with 45 participants from more than 20 organizations. The kick-off meeting of the project was held in Rome, Italy, on February 13 and 14, 2023. As part of the project, COBATEST will assist with improvement of HIV/HCV/STIs testing data collection among harm reduction services across Europe.