Ayatollah Ali Khamenei expressed doubts about whether the conspiracy theory that the US had created `` a special version '' of Covid-19 was true or false .
On 23 March 2020 , Iran 's Supreme Leader Ayatollah Ali Khamenei mentioned a conspiracy theory that the US created `` a special version '' of the virus that was affecting the country , adding `` I do not know how real this accusation is '' .
2020 coronavirus pandemic in Iran