Amid mounting concerns regarding a renewed probe of the origins of Covid-19 in China, former US Food and Drug Administration (FDA) Commissioner Scott Gottlieb said that accidental lab leaks ‘happen all the time’ and there have been six last known outbreaks of SARS-1 from China.

In an interview with US media, Gottlieb expressed concern about safety protocols at research labs in the US and abroad. He said that a conclusive determination on where the pandemic originated was critical to prevent deadly outbreaks in the future, reported Fox News.