Therapeutic trial results against COVID-19 expected in 3 weeks: WHO chief

The World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus (L) attends a daily briefing in Geneva, Switzerland, Feb. 20, 2020. WHO said Thursday that preliminary results from clinical trials of therapeutics against COVID-19 are expected in three weeks. (Xinhua/Chen Junxia)