Several studies suggest that some vaccinated individuals who were also previously infected have what some scientists have called a "superhuman" immunity to Covid-19—which not only protects them against current coronavirus variants, but may also combat future ones, Michaeleen Doucleff writes for NPR's "Goats and Soda."

Although the overall number of U.S. Covid-19 cases has shown signs of leveling off, deaths are still climbing sharply—and according to National Institute of Allergy and Infectious Diseases director Anthony Fauci, the United States still doesn't have "even modestly good control" of the coronavirus.

In an unprecedented joint editorial published on Saturday, the editors of more than 200 medical journals worldwide labeled a 1.5-degree-Celsius rise in global temperatures as the "greatest threat to global public health"—and urged world leaders to prioritize emission reductions to avoid "catastrophic harm to health."

Fully vaccinated people are far less likely to become infected by the coronavirus—but for those who experience a breakthrough infection, what's their likelihood of facing the lingering symptoms known as long Covid? A recent study in The Lancet Infectious Diseases offers new clues.

Amazon plans to expand its in-person primary care service—Amazon Care—to 20 new cities, including Philadelphia, Chicago, Dallas, and Boston, Business Insider reports. Advisory Board experts weigh in on Amazon’s expansion, analyzing whether or not it will be successful. It comes down to three main factors, according to Yulan Egan, John League & Sarah Hostetter.

CMS will send $452 million in funds—ranging from $2.5 million to $139 million—for reinsurance programs in 13 states, in today's bite-sized hospital and health industry news from the District of Columbia, South Dakota, and Utah.