The city is at the epicenter of a coronavirus outbreak that has killed 17 people and sickened at least 500 more. Reports of the disease have popped up in the United States, Japan, Taiwan, and elsewhere.
Numerous countries have warned citizens to avoid travel to Wuhan. Chinese officials are facing intense scrutiny over claims that health authorities knew the extent of the disease but attempted to cover it up as the threat grew.
The Chinese government promised that any public officials who participate in any cover-ups of the disease would be "nailed on the pillar of shame for eternity."