World Health Organization (WHO) chief Tedros Adhanom Ghebreyesus said the coronavirus pandemic will come to an end when all the countries start using the available health tools effectively. "The pandemic will end when the world chooses to end it. It is in our hands. We have all the tools we need: effective public health tools and effective medical tools. But the world has not used those tools well. With almost 50,000 deaths a week, the pandemic is far from over," he said. Watch the full video for more.