There may never be a 'silver bullet' for coronavirus, WHO chief says
- 4 years ago
World Health Organisation (WHO) Director General Tedros Ghebreyesus on August 3, 2020 warned that there might never be a “silver bullet” for Covid-19 despite progress on vaccines. The WHO chief called for all nations to rigorously enforce health measures such as social distancing, testing and tracing. Video source: Reuters