US coronavirus numbers reach winter levels amid Delta variant surge

A sign advises shoppers to wear masks outside of a store in the Fairfax district of Los Angeles (Marcio Jose Sanchez/AP)

The US is now averaging 100,000 new Covid-19 infections a day, returning to a milestone last seen during the winter surge in yet another bleak reminder of how quickly the Delta variant has spread through the country.

The US was averaging about 11,000 cases a day in late June.