2 SIA passengers with Omicron transited at Changi airport: Johannesburg, Gauteng, South Africa in the news: 2 SIA passengers with Omicron transited at Changi airport: The passengers boarded a Singapore Airlines flight from Johannesburg on Nov 27. SINGAPORE: Singapore’s health ministry said two travellers from Johannesburg who tested positive for the Omicron … – … [Read more...] about 2 SIA passengers with Omicron transited at Changi airport