Fig. 1From: Asymptomatic surveillance testing for COVID-19 in health care professional students: lessons learned from a low prevalence settingRT-PCR NP samples did not detect SARS-CoV-2 (n = 1200), Influenza A & B (n = 201) and HOPV (n = 201) from asymptomatic health care professional students (n = 457) from Kingston, ON. HOPV human Orthopneumovirus, NP nasopharyngeal, RT-PCR reverse transcriptions-polymerase chain reaction, SARS-CoV-2 Severe-Acute-Respiratory Coronavirus-2Back to article page