Vaccine Rates Drop Dangerously as Parents Avoid Doctor’s Visits. Vaccination and Immunization, Children and Childhood, Babies and Infants, Coronavirus (2019-nCoV), Preventive Medicine, Measles, Whooping Cough, Mumps, Diphtheria, Epidemics, Meningitis, your-feed-healthcare, your-feed-science, Parenting, United States