More than 100,000 attendees went to the meeting, said organisers who ignored the government's request to cancel it as the virus hit the country.
The 'Tiger Force' will work with civil and military authorities in relief operations and create awareness among the masses of the threat the coronavirus poses.
The untold number of pilgrims who returned from Iran unscreened two months ago are another significant threat to the country.
Despite overwhelming evidence, leaders in China, Russia and Iran are spreading disinformation about the origin of COVID-19, each for their own malign reasons.
Provincial governments have ordered the closure of non-essential services and banned large gatherings.
Supreme Leader Ayatollah Ali Khamenei rejected vital help even as Iran becomes a greater threat to world health with its increasing number of infected and its ill-advised policies.
The forced deportation by the Iranian regime of infected individuals and those suspected of having COVID-19 exponentially increases the risk of a major outbreak in Pakistan and Afghanistan.
Authorities have closed the land border with Iran where the daily death toll from the virus is growing steadily.
China is seeking to deflect criticism for its role in starting a global pandemic by spreading dangerous disinformation.
The two confirmed cases are linked to the outbreak in Iran, where authorities appear to be spreading false information about the severity of the crisis there.