All Sauce from Weekly Sauce:

Masks are making an unwanted comeback in many parts of the United States, after new data showing that fully vaccinated people with “breakthrough” coronavirus infections carry enough virus in their bodies to pose a potential risk to the unvaccinated. But these breakthrough infections — which have become slightly more common with the highly transmissible Delta…  read on >  read on >

The U.S. Food and Drug Administration on Thursday authorized a third “booster” shot of coronavirus vaccines for people with weakened immune systems, as the highly contagious Delta variant continues to surge across the country. Expanding the emergency use of the Pfizer and Moderna vaccines should help protect those patients who are considered most vulnerable to…  read on >  read on >

A coronavirus outbreak on a Carnival Cruise Line ship that sailed from Galveston, Texas, to Belize is one of the largest reported on a vessel sailing from the United States since cruises relaunched this summer. The 27 cases on the Carnival Vista reported by the Belize Tourism Board include 26 crew and one guest. All…  read on >  read on >

Here’s an unexpected benefit from wearing a mask during the pandemic: It may also reduce fall allergy symptoms, one expert says. “Masks that people use for protection from COVID-19, particularly those that filter out more particles like the N95 or KN95 masks, also tend to filter out pollen,” said Dr. Luz Fonacier, president of the…  read on >  read on >