False 'Negatives' - Testing and COVID19 Coronavirus

She's been sick for over a month with what doctors long-ago diagnosed as COVID. So why has Julia Ioffe repeatedly tested negative—and what does her... (2020)

Tests for SARS-CoV-2 based on reverse transcriptase polymerase chain reaction (RT-PCR) are being used to rule out infection among high-risk persons... (2020)

MIT Medical answers your COVID-19 questions. Got a question about COVID-19? Send it to us at CovidQ@mit.edu, and we’ll do our best to provide an an... (2020)