But he said: "The stabilization in cases in the last number of days is very reassuring and it is to a great extent the result of the huge public health operation in China".
It also said it had revised its old data and suspected cases to include over 100 clinically diagnosed cases.
The province reported a dramatic spike in virus cases Thursday, raising the total number of nationwide infections to almost 60,000 after Hubei authorities changed the way they count infections - fuelling fears over a lack of transparency.
A crew of worldwide specialists from the World Health Organization (WHO) led by Bruce Alward (veteran of emergency well being circumstances) arrived in China on Monday night time.
Other changes have been taking place in the province, including the sacking of a top Red Cross official in Wuhan for dereliction of duty and the removal of health officials in other cities.
Of the dramatic jump in figures Thursday, it said the new classification accounted for 13,332 of the cases and just over half the new death toll. Vietnam has confirmed 16 cases, a lot of them in the province.
It is not immediately clear what the region's new method for diagnosing COVID-19 is, or why the number of fatalities has risen so sharply over the past 24 hours.
Hospital Wuhan City Hubei Province China while the crisis continued to develop yesterday
"Oddly, this now is a moment of greater transparency", Sam Crane, political science professor at Williams College in MA, told AFP.
The spike in the death toll came a day after markets were cheered when China reported its lowest number of new cases in two weeks, bolstering a forecast by the country's senior medical adviser that the epidemic could end by April.
Yun Jiang, a China researcher at Australian National University, said the new methodology may be a "practical measure" because Hubei has a shortage of laboratory testing kits.
"I don't think the numbers are necessarily manipulated for political purposes but the numbers themselves may not be so trustworthy", Yun told AFP.
United Airlines extended its China flight cancellations into late April.
The UK has confirmed its ninth case of coronavirus, saying the latest patient - the first in London - had caught the virus while in China.
The outbreak has wreaked havoc on global events, too.