Genesis HealthCare requires shots for all: Employees, care partners, onsite vendors must be vaccinated … More than half of U.S. outpatient antibiotics prescriptions not tied to visit or infection … An antiparasitic drug slows pancreatic cancer in mice … Respiratory infections more likely to pass to next patient in doctors’ offices: study … COVID-19 infection signaled by different symptoms in older and younger age groups … Vaccination rates rising in all 50 states during COVID-19 surge, data show