Iranian authorities failed to effectively implement quarantine measures to prevent the spread of coronavirus, an Iranian virologist said Thursday. 

Officials should have taken strict measures before the virus known as COVID-19 spread across the country, Hossein Keyvani, a professor at Iran University of Medical Sciences Virology Department in Tehran, told Anadolu Agency.

“The government failed to quarantine and disinfect all cities before it was too late,” Keyvani said. “We must comply with the health rules to protect from the disease.”

Underlining that nearly 1,000 people are tested for the virus every day at his hospital, Keyvani said health officials

Read more: Iran fails to take timely measures for COVID-19: Expert