Maria Van Kerkhove

Tulio de Oliveira, director of the Center for Epidemic Response and Innovation in South Africa, conveyed to WHO representatives his concerns regarding COVID variant B.1.1.529, which is feared to be the worst variant of COVID identified so far.
After that, WHO decided to hold an extraordinary session, De Oliveira told Financial Times.

Senior officials of the World Health Organization have warned that  there is a real chance of another, more serious pandemic spreading across the world, in the aftermath of the COVID-19 pandemic.