Moderna Inc said on Monday it was informed by the European Medicines Agency (EMA) certain documents related to pre-submission talks of its COVID-19 vaccine candidate were unlawfully accessed in a cyberattack on the medicines regulator.

The EMA, which assesses medicines and vaccines for the European Union, said earlier this month that it had been targeted in a cyberattack, which also gave hackers access to documents related to the development of the Pfizer Inc and BioNTech COVID-19 vaccine.

Moderna said its submission to the EMA did not include any information identifying individual study participants and there is no information at present that any participants had been identified in any way.