WHO tweet relays Chinese authorities' finding of 'no clear evidence' of human-to-human transmission
On January 14, 2020, the World Health Organization posted on Twitter that 'preliminary investigations conducted by the Chinese authorities have found no clear evidence of human-to-human transmission' of the novel coronavirus identified in Wuhan. At a press briefing the same day, WHO's Maria Van Kerkhove said limited human-to-human transmission was possible, 'potentially among families,' but that there was 'no sustained human-to-human transmission.' On January 20, Chinese expert Zhong Nanshan publicly confirmed the virus was spreading between people; an AP investigation based on internal WHO recordings later showed WHO officials had privately complained through January that China was not sharing enough data to assess human transmission.
Primary quotes
“Preliminary investigations conducted by the Chinese authorities have found no clear evidence of human-to-human transmission of the novel coronavirus (2019-nCov) identified in Wuhan, China.”
WHO tweet, January 14, 2020 (quoted verbatim in AP Fact Check)
“It is very clear right now that we have no sustained human-to-human transmission.”
Maria Van Kerkhove, WHO press briefing, January 14, 2020 (quoted in AP Fact Check)
Linked sources
Related contentions
IC split historically; CIA (Jan 2025) shifted to low-confidence lab-lean. No definitive public resolution.
Unresolved. Both the evidentiary record (the tweet, the internal recordings, the joint report's terms of access, and Tedros's caveats) and its interpretation remain contested: whether the WHO's approach was a reasonable accommodation to its limited authority or a failure of independence is a judgment on which governments, scientists, and official reviews have not converged.