Patients receiving a five-day regimen did better than those receiving a 10-day regimen or just standard care.
Protests in support of U.S. demonstrators took place around the world.
U.S. stocks opened lower on Monday as dozens of cities try to clean up after riots
UK ex-foreign ministers call for G7 Hong Kong monitor group
Hamilton slams 'white-dominated' F1 for silence over Floyd death
ECB expected to pump up eurozone support as pandemic persists
What now for tennis in 2020?
The gruesome murder of George Floyd by a Minneapolis cop has triggered worldwide revulsion at police brutality and endeminc racism in the United States.
Postcards from the edge: Snapshots of European football's return
Artist Christo who wrapped Reichstag in fabric dies aged 84
Christo, master of the monumental wrap-up
Trump says he will delay G7 summit and invite other countries
Growing US-China rivalry seen fueling UN paralysis amid virus crisis
F1 season to open in Austria after government backs Spielberg double act
Merkel a 'no' for Trump's in-person G7 summit
Bad tempered post-Brexit talks enter crucial phase
As football restarts around Europe, France questions decision end to season early
Germany, Brussels seal pact on Lufthansa rescue plan: sources
Key suspect in UK migrant lorry tragedy held in Germany: sources
German virus 'guru' in crosshairs of lockdown critics
Volkswagen invests 2 bn euros in Chinese electric vehicle sector
Spain says Nissan closing Barcelona factory