The Johns Hopkins Center for Immunization Research is looking for healthy volunteers to participate in an inpatient shigella vaccine study that has both an outpatient and inpatient portion.
Dentist Alexander Daniel, left, demonstrates fluoride treatment on resident Cameron Onken, right, at the Johns Hopkins Outpatient Center, Friday, Feb. 28, 2025, in Baltimore. When Tristen Boyer ...
Dentists and hygienists often propose fluoride treatments after teeth cleanings or dental work. The relatively simple procedure involves applying a varnish, gel or foam directly to the teeth.