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US sends Covid-19 surge team to southwest Missouri after Delta variant fuels rise in cases and hospitalizations
By Aya Elamroussi
Delta now dominant coronavirus variant in the US, CDC says
By Morgan Winsor & Arielle Mitropoulos
Why is Delta such a worry? It's more infectious, probably causes more severe disease, and challenges our vaccines
By Michael Toole
California spread of coronavirus' Delta variant alarms officials
By Rong-Gong Lin II & Luke Money
Delta plus variant of SARS-CoV-2: What do we know so far?
By Yella Hewings-martin
Map: Tracking the Delta variant
By Mohammed Haddad
Covid's delta variant: What you need to know to protect yourself - The Washington Post
By Lindsey Bever, Kim Bellware & Lateshia Beachum
Here's what you need to know about the lambda Covid variant
By Holly Ellyatt
Study highlights need for full Covid vaccination to protect against Delta variant
By Elizabeth Cooney
Is it more infectious? Is it spreading in schools? This is what we know about the Delta variant and kids
By Margie Danchin, Philip N Britton & Archana Koirala