Boosters

How COVID-19 Vaccines and Infections Are Tweaking Our Immunity A study shows our immune systems may be getting better at protecting against new variants. TIME

Your immune system may be getting smarter every time you encounter COVID-19, a new study suggests. After getting vaccinated and infected, the immune system generates broader defenses against the virus, including against new variants.

As COVID cases rise, doctors worry about the consequences of misinformation Misinformation is still shaping how people perceive the virus and tools designed to protect individuals and communities against COVID’s worst outcomes, public health experts and doctors say. PBS NewsHour

Seeing COVID rates hit another high, and vaccine uptake remain low, doctors don’t have an antidote for something they see as an ongoing risk factor: the spread of misinformation, including on the presidential campaign trail.

Bivalent vaccines help prevent COVID-related stroke, heart attack, US data show Mohammed Haneefa Nizamudeen/iStock CIDRAP

Bivalent (two-strain) COVID-19 vaccines help protect against COVID-19–related thromboembolic events, including strokes, embolisms, and heart attacks, more so than monovalent (one-strain) vaccines, according to a study today in Morbidity and Mortality Weekly Report.

Florida surgeon general demands FDA, CDC 'halt' mRNA COVID vaccine use in humans Florida Surgeon General Joseph Ladapo demanded Wednesday the FDA and CDC "halt" the usage of mRNA COVID-19 vaccines in humans, citing safety risks. Eric Daugherty Florida’s Voice

Ladapo pointed to “nucleic acid contaminants” in both the Pfizer and Moderna mRNA vaccines.