At least five school districts, most in the northeast of the country, have reinstated mask requirements for students amid an uptick in COVID-19 infections, and two requested that students be tested for the virus before returning to school from winter break.
Since the beginning of the COVID pandemic, John Campbell, Ph.D., a retired nurse educator, has gained a following for his even-handed evaluations of COVID science and statistics.
Two in five U.S. children and nearly half of adults with a food allergy are allergic to multiple foods, according to research published last month in the Annals of Allergy, Asthma and Immunology.