CNN's key findings
- Chinese officials gave the world more optimistic data than they had access to internally
- China's system took on average 23 days to diagnose confirmed patients, and testing failures meant most received negative results until January 10
- A history of underfunding, understaffing, poor morale and bureaucratic models of governance hampered China's early warning system, internal audits found
- A large and previously undisclosed outbreak of influenza happened in early December in Hubei province.
