Amid concerns over the Omicron variant of coronavirus, Maharashtra has mandated seven-day institutional quarantine for travellers arriving in the state from 'at-risk' countries. The State Disaster Management Authority on Tuesday night issued the guidelines, an official said.

The list of 'at-risk' countries is announced by the Union government. According to an updated list, the countries designated as 'at-risk' are the European countries, the UK, South Africa, Brazil, Botswana, China, Mauritius, New Zealand, Zimbabwe, Singapore, Hong Kong and Israel.