Recent studies have shown that the effectiveness of Covid-19 vaccines is decreasing, though experts say the shots still work well. WSJ explains what the numbers mean and why they don’t tell the full ...

DUBAI, United Arab Emirates - Leaders of the world's most powerful nations wrapped up the Group of 20 summit on Sunday, vowing to spare no effort to protect lives and ensure affordable access to COVID ...

Speaking at the close of the Global Summit on COVID-19 and the World of Work (https://bit.ly/2ZbdLSs), the Director-General said, “I think it is difficult to overstate the level of common purpose, of ...