Many critics and outside experts have expressed concerns that Tehran is severely underreporting the magnitude of the crisis in the country, allegations the government has vehemently denied.
China's economy has ground to a halt with large swathes of the country under quarantine or measures to restrict travel.
Meanwhile, the outbreak has continued to spread in other countries.
With the outbreak deepening, the staff at the Louvre in Paris voted to close the hugely popular museum.
"We are going to increase, to the highest-level advisory - which is Level 4 - advising Americans: Do not travel to specific regions in Italy and South Korea". Excluding new infections in Hubei, there were only six new cases in mainland China, the lowest since last month.
Club Brugge - Europa League - 27 February 2020
A clean sheet on Thursday night against Club Brugge would send Manchester United into the last 16 of the Europa League . He can change his mind in a split-second.
France and Italy have imposed strict bans on public gatherings as numbers of coronavirus cases have risen dramatically in both countries. The number of deaths stood at 35, down from 47 on the previous day, and bringing the total death toll in mainland China to 2,870. Hubei province, where the outbreak has been concentrated, recorded 196 of the 202 new cases and all of the new deaths. The virus is believed to have originated in a market that sold wild animals in Hubei's capital, Wuhan. It has a mortality rate ranging between two and five percent.
The majority of infections in other Gulf countries have been linked to visits to Iran or involve people who have come into contact with people who had been there. Eight more people died from the illness, bringing the death toll to 29 in what is the worst COVID-19 cluster outside Asia.
A coronavirus security check test in Cremona, Italy., the hardest hit European nation.
Zhong also called for more global cooperation to contain the virus.
He was due to hold talks with pharmaceutical executives on the response to outbreak.
In the United States, a man in his 70s with underlying conditions died on Saturday, health officials said, as NY reported its first case in a woman who had visited Iran.
In China alone, the total number of officially reported Covid-19 infections stands at 80,026 with the death toll reaching 2,912 as of Sunday evening. As of Sunday, 44,462 patients had recovered from the illness. That has anxious experts at the World Health Organization, who fear Iran may be under-reporting the number of cases now affecting it.