Wuhan's virus alarm does not necessarily point to COVID 19 origin - WHO
The World Health Organization (WHO) said the fact that Wuhan's specific surveillance system was triggered by COVID-19 does not necessarily mean that is where the disease originated, during a press briefing on Monday.
Dr. Michael Ryan, executive director of the WHO Health Emergencies Program, said at a routine COVID-19 briefing that a much more "extensive retrospective epidemiological study" should be taken to fully understand the links between the cases.
The remarks were made as the WHO advance team that traveled to China recently concluded its mission on identifying the zoonotic source of COVID-19.
He stressed the need to start studies on the first reported human clusters in order to systematically look for the "first signal at which the animal-human species barrier was