Nearly 210,000 New York City students, teachers, principals and staff were tested by BioReference with a positivity rate of 0.47% ELMWOOD PARK, N.J., (January 4, 2021) – BioReference Laboratories, Inc., an OPKO Health company (NASDAQ: OPK), today announced the results of COVID-19 molecular PCR tests for public schools throughout New York City’s boroughs, with a positivity rate of […]