Arkansas reports more than 1,000 COVID-19 cases for third straight day Arkansas reported more than 1,000 COVID-19 cases for the third straight day on Friday. Jordan Williams TheHill

Arkansas reported more than 1,000 COVID-19 cases for the third straight day on Friday.

Delta variant said to be far more widespread than federal estimates The reality on the ground is likely much higher because states and private labs are taking weeks to report testing results to the CDC. POLITICO

The more-transmissible Delta coronavirus variant is believed to be significantly more widespread than the current federal projections, according to two senior Biden administration health officials with knowledge of the situation.

Can we stretch existing Covid vaccines to inoculate more people? Is the world is using more vaccine than it needs to on each person immunized, depriving people in the queue of a chance to be protected? Helen Branswell STAT

With the global supply of Covid-19 vaccine still woefully inadequate, vaccine makers are scouring the pharmaceutical landscape for partners to ramp up manufacturing, and civil society groups are pressing politicians to waive intellectual property protections in a bid to spur still more production.

Fully vaccinated people don't need Covid boosters, health agencies say "We are prepared for booster doses if and when the science demonstrates that they are needed," the FDA and the CDC said. NBC News

People who are fully vaccinated do not need Covid-19 boosters, health and drug officials said Thursday.

New study shows need for full vaccination to protect against delta variant A study released Thursday found that one dose of the Pfizer-BioNTech or AstraZeneca vaccines “barely” offers any protection against the delta variant of COVID-19. Mychael Schnell TheHill

A study released Thursday found that one dose of the Pfizer-BioNTech or AstraZeneca vaccines “barely” offers any protection against the delta variant of COVID-19.