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Can Vaccinated People Spread Delta?

A healthcare worker administers a Covid-19 test in Austin, Texas.

A healthcare worker administers a Covid-19 test in Austin, Texas.

Photographer: Bloomberg/Bloomberg

Here’s the latest news from the global pandemic.

In this week's edition of the Covid Q&A, we look at how contagious the delta variant is for vaccinated people. In hopes of making this very confusing time just a little less so, each week Bloomberg Prognosis is picking one question sent in by readers and putting it to experts in the field. This week's question comes to us from Julie in San Francisco. Julie asks: