Taiwan's government said on Sunday that it had confirmed three cases of the Covid-19 variant first discovered in Brazil, and that all arrivals from that country would undergo centralised quarantine from this week.

Health Minister Chen Shih-chung said the three people, whose initial infections officials announced last month and are being treated in the hospital, had been confirmed on Saturday to have what is known as the P1 Brazil variant.

Chen added that starting at midnight on Wednesday, anyone arriving in Taiwan from Brazil or who had been in Brazil the previous 14 days must quarantine at a centralised facility for two weeks, as arrivals from Britain and...