Updated On: 06 January, 2021 12:00 AM IST | Geneva | IANS
The WHO said the problem was a lack of visa clearances.

Photo used for representational purpose
A World Health Organization (WHO) team due to investigate the origins of the novel coronavirus (Covid-19) in Wuhan city has been denied entry to China.
Two members had already set out on their journey - one has now turned back and the other is in transit in a third country, the BBC reported on Wednesday.