COVID-19 control and prevention rules are constantly updated according to the evolving situation.

The JdA51 Organizing Committee follows the indications issued by the Italian Ministero della Salute as to the conference organization, and reserves the right to upgrade the requirement below, should the need arise, also by re-contacting previously registered participants.

For attendance to the workshop and related social events one of the following documents is requided:

• a valid full vaccination certificate. 
• a COVID recovery certificate issued less than six months before the start of the conference.