The first case is a 35-year-old man who travelled from the United Kingdom and arrived in Fiji on flight NZ 952 from Auckland on 24 December.
The other two cases are a 25-year-old man and a 27-year-old woman who arrived in Nadi on flight GA 8250 from New Delhi on 21 December.
The fourth case is a 55-year-old man who travelled from Mali and arrived on 31 December on flight NZ952 from Auckland.
