By January 21, WHO publicly indicated that the coronavirus was being spread by human-to-human transmission. Throughout the process, WHO repeatedly pointed out when information provided by China was flawed and incomplete. https://twitter.com/NikkiHaley/status/1246088835605422080
Because they worked with China, @WHO got those resources, which allowed them to begin work on this virus early. Late information from China? Yes. Incomplete? Yes. Better than being shut out? Absolutely. #COVID19
For those curious, here is the Tweet from @WHO on January 21 indicating that they were aware of human-to-human transmission. This was an early warning sign to other countries.