This much is clear: Some people in the United States with medical conditions that have compromised their immune systems are now eligible for a third dose of Covid-19 vaccine.

But the new policy from U.S. health officials, announced late last week, came together in a hurry. It addresses some questions but leaves a number unanswered, in some cases because there are no data on which to base a decision.

Some experts believe the new policy may also have created a loophole big enough to allow easier access to a third dose for non-immunocompromised people who are trying to find ways to get one.

“I worry very much that this is going to lead to vaccination chaos,” Michael Osterholm, director of the University of Minnesota’s Center for Infectious Diseases Research and Policy, told STAT.

Why A Hard-Sell Pitch For COVID Vaccines Won't Work In This Rural Illinois Town The sponsor of 4-H clubs nationally is tapping its respected roots in rural communities to promote COVID-19 vaccines. But it won't be easy, locals say. Start with trusted local voices — and listen. NPR.org

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NIH director sees 'no signs' of a Delta peak “This is going very steeply upward with no signs of having peaked out,” Collins said on “Fox News Sunday.” Catherine Kim YahooNews

National Institutes of Health Director Francis Collins warned on Sunday the continuing rise of Covid-19 cases propelled by the Delta variant could return the nation to the worst days of the pandemic.

“This is going very steeply upward with no signs of having peaked out,” Collins said on “Fox News Sunday.”

Extra COVID vaccine OK'd for those with weak immune systems WASHINGTON (AP) — U.S. regulators say transplant recipients and others with severely weakened immune systems can get an extra dose of the Pfizer or Moderna COVID-19 vaccines to better protect them as the delta variant continues to surge. AP NEWS

US Centers for Disease Control and Prevention Director Dr. Rochelle Walensky endorsed on Friday the use of a third dose of coronavirus vaccine in immunocompromised people.

‘This is real’: Fear and hope in an Arkansas pediatric ICU As the delta variant surges, some experts worry we may be entering the most dangerous moment in the pandemic for children. Ariana Eunjung Cha Washington Post

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