The World Health Organization delivered a rare criticism of China in light of the nation’s reluctance to allow experts to enter the country and examine the origins of COVID-19.

Tedros Adhanom Ghebreyesus, the director-general of the WHO, called on all member states of the United Nations to join together in order to overcome the pandemic sweeping the globe. He revealed a group of international scientists were en route to Wuhan, the birthplace of the virus, to investigate how the disease came into being.