The World Health Organization reported a record increase in global coronavirus cases on Sunday, with the total rising by 230,370 in 24 hours.

Regeneron Pharmaceuticals – with the U.S. National Institute of Allergy and Infectious Diseases (NIAID) – is launching Phase III trials of REGN-COV2, the company’s two-antibody cocktail for the treatment and prevention of COVID-19.

The death toll from COVID-19 surpassed half a million people, according to a Reuters tally, a grim milestone for the global pandemic that seems to be resurgent in some countries even as other regions are still grappling with the first wave.

Global coronavirus cases exceeded 10 million on Sunday according to a Reuters tally, marking a major milestone in the spread of the respiratory disease that has so far killed almost half a million people in seven months.

Global cases of the novel coronavirus surpassed 9 million as Brazil and India grappled with a surge in infections while the United States, China and other hard-hit countries reported new outbreaks, according to a Reuters tally.

The coronavirus pandemic is accelerating, with Thursday’s 150,000 new cases the highest in a single day and nearly half of those in the Americas, the World Health Organization (WHO) said.

Global deaths from the novel coronavirus topped 400,000 on Sunday, as case numbers surge in Brazil and India, according to a Reuters tally.

Global coronavirus cases surpassed 6 million, according to a Reuters tally, as Latin America reported a grim milestone of 50,000 deaths from the disease.

Global coronavirus cases surpassed 5 million, with Latin America overtaking the United States and Europe in the past week to report the largest portion of new daily cases globally.

A top U.S. scientist said governments should not count on a successful vaccine against COVID-19 being developed anytime soon when deciding whether to ease restrictions imposed to curb the pandemic.