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PubMed COVID-19 Clinical Care

1161 - 1170 of 1258 results found

High positive rate after consecutive negative tests of SARS-CoV-2

Date
Friday, March 31, 2023 - 4:00 AM
Description
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been a global public health event since 2019. Real-time reverse transcription polymerase chain reaction (RT-PCR) assays of upper respiratory tract specimens were used as the most common