The WHO has clarified its stance that there is “no evidence” that being infected with COVID-19 provides immune protection, after an initial statement provoked concern about reinfection.

The organisation released a scientific brief last week rejecting the idea of ‘immunity passports’, as there wasn’t enough evidence about the level of protection from one infection.

The question of immunity passports arose after some countries began issuing them to people who have had coronavirus.

“There is currently no evidence that people who have recovered from COVID-19 and have antibodies are protected from a second infection,” the organisation wrote, also tweeting its advice.