Because travel bans with only one country doesn't work, as we have found out the hard way.
See WHO bulletin below on travel bans.
As well, as agreed by member states of the WHO, one way travel bans are not allowed without member states agreeing. The US forged ahead without agreement by member states.
There are 2 bodies of the WHO: member states who vote on the rules and then a technical side than manages on the ground activities, vaccine and drug development, procedures, training etc.
A cover-up is defined as "an attempt to prevent people's discovering the truth about a serious mistake or crime."
In this case, pure nonsense....post 678 on this thread....
WHO visited China on January 20th and 21st.
"On 20-21 January 2020, a World Health Organization (WHO) delegation conducted a field visit to Wuhan to learn about the response to 2019 novel coronavirus (2019-nCOV). The mission was part of the on-going close collaboration between WHO and Chinese national, provincial, and Wuhan health authorities in responding to 2019-nCoV.
The delegation visited the Wuhan Tianhe Airport, Zhongnan hospital, Hubei provincial CDC, including the BSL3 laboratory in China’s Center for Disease Control (CDC). The delegation observed and discussed active surveillance processes, temperature screening at the airport, laboratory facilities, infection prevention and control measures at the hospital and its associated fever clinics, and the deployment of the rRT-PCR test kit to detect the virus."
Mission summary: WHO Field Visit to Wuhan, China 20-21 January 2020
Jan 3: the head of the U.S. Centers for Disease Control and Prevention, Robert Redfield, received a call from his Chinese counterpart with an official warning. Dr. Anthony Fauci, the government’s top infectious disease expert, was alerted to the virus around the same time.
Intelligence reports warned about a pandemic in January. Trump reportedly ignored them.
Warnings Ignored: A Timeline of Trump’s COVID-19 Response - The Bulwark
Trump’s pandemic response was hindered by missed opportunities, ignored warnings
Jan 12: China submitted genome sequence for COVID-19 to WHO.
AP report on China’s ‘delayed’ epidemic response conveniently passes blame - Global Times
WHO | Effectiveness of travel restrictions in the rapid containment of human influenza: a systematic review