As Europe imposed new restrictions to try to stall a surging second wave of the novel coronavirus, hopes for vaccines to rapidly provide relief suffered a blow Tuesday with the suspension of two clinical trials in the United States.
China meanwhile rushed to test an entire city of nine million within days after a minor coronavirus outbreak in the sprawling country, and Europe struggled to tackle a new surge of infections.
The virus is still spreading rapidly worldwide, with over one million deaths and 37 million infections. Many nations that suppressed their first outbreaks now face a second wave.
Hopes for a rapid vaccine rollout suffered a setback as US pharmaceutical firm Eli Lilly said it had suspended the Phase 3 trial of its antibody treatment over an unspecified incident, the second in less than 24 hours after Johnson & Johnson ran into a similar problem.
In Europe, the Netherlands