The Delta variant of coronavirus has been detected in 92 countries, leading to lockdowns and the reintroduction of limitations on border crossing. Additionally, researchers in India have identified a variant of the Delta variant they're calling Delta Plus, though it's so far unknown whether it's any more transmissible than the original variant.

Mixing and matching the Pfizer-BioNTech and AstraZeneca-Oxford vaccines may increase immunity, according to early results from a study in the UK. If the CDC approves combining vaccine brands, it could increase access to the vaccine and avoid supply bottlenecks.

And in headlines: Ethiopia declares ceasefire in Tigray, airstrikes and rocket attacks between U.S. forces and Iranian-backed militants, and SCOTUS upholds transgender bathroom rights.

Show Notes:

NIH clinical trial evaluating mixed COVID-19 vaccine schedules – https://bit.ly/3jot1FZ

For a transcript of this episode, please visit crooked.com/whataday.