This tweet, which is still up by the way, certainly has not aged well.
On January 14, 2020, a year ago today, the World Health Organization tweeted out this lie straight from the CCP propaganda wing.
"No clear evidence of human-to-human transmission..."
The impact of this lie is summed up well here:
Life as we know it changed, largely because the World Health Organization blindly followed the lead of the Communist Chinese government and misled the entire globe about the impact of Covid-19.