Omicron was first reported on Nov. 24 from South Africa, where infections have risen steeply. This is a list of restrictions for arriving aviation passengers from nations deemed to be in danger, as well as those judged to be not at risk. Certain restrictions must be followed by travellers coming to India from countries where the “Omicron” strain of coronavirus has been found. As the COVID-19 epidemic rages on, India has taken the unusual step of announcing this.