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The 22nd IUNS-ICN was scheduled to be held from September 14-19, 2021 in Tokyo, Japan. In view of the worldwide spread of the COVID-19 pandemic, we had been carefully monitoring its impact.

Due to its developing situation and difficulties in travelling abroad, after much thought and deliberation, the Organizing Committee of 22nd IUNS-ICN has decided to postpone the Congress to 6th – 11th December 2022. This was a difficult decision to make; however, the health and safety of the participants is our highest priority.

Since the Congress has been postponed, the call for abstracts is temporarily suspended.
We will inform new important dates and any possible changes in due time.

Please check our website (, as all updates will be consistently posted therein.