The World Health Organisation said on Tuesday it was reviewing data from Seychelles after the Health Ministry said more than a third of people who tested positive for Covid-19 in the past week had been fully vaccinated.

Both the ministry and the WHO stressed that the majority of those who tested positive had not been vaccinated or had only received one dose, that no one who had died had been fully vaccinated and that nearly all of those needing treatment for severe or critical cases were unvaccinated.

But the WHO said it was closely following the situation in the Indian Ocean nation, which has a population of less than 100,000...