An unvaccinated worker set off an outbreak at a U.S. nursing home where most residents were immunized.

New infections of inoculated residents are occurring, signaling the need to maintain safety measures, C.D.C. studies show.
Source: NYT Health - Category: Consumer Health News Authors: Tags: internal-essential Vaccination and Immunization Nursing Homes Health Insurance and Managed Care Coronavirus (2019-nCoV) Source Type: news